Bluetooth 2.0

The Bluetooth interface exposes directives and events that are used to manage a client's Bluetooth connection with peer devices, such as smart phones, and Bluetooth-enabled speakers. The interface supports the following profiles A2DP source, A2DP sink, and AVRCP target and controller

Version changes

Support for multiple simultaneous connections to Bluetooth peripherals
- CHANGED BluetoothState context entry:
  - REMOVED activeDevice object
  - ADDED deviceCategory string
  - ADDED connectionState string
  - CHANGED supportedProfiles list to support additional Bluetooth profiles
- ADDED SetDeviceCategories directive
- ADDED SetDeviceCategoriesSucceeded event
- ADDED SetDeviceCategoriesFailed event
- RENAMED the following messages:
  - ScanDeviceUpdated event to ScanDevicesReport
  - ConnectByDeviceId event to ConnectByDeviceIds
  - DisconnectDevice directive to DisconnectDevices
  - PairDevice directive to PairDevices
  - UnpairDevice directive to UnpairDevices
- CHANGED the following events by removing the requirement to include context:
- CHANGED the payload object of the following messages:
  - UnpairDevicesFailed event
  - UnpairDevicesSucceeded event
  - DisconnectDevicesSucceeded event
  - DisconnectDevicesFailed event
  - PairDevicesSucceeded event
  - PairDevicesFailed event
  - ConnectByDeviceIdsSucceeded event
  - ConnectByDeviceIdsFailed event
  - ConnectByProfileFailed event
  - StreamingStarted event
  - StreamingEnded event
  - MediaControlPlaySucceeded event
  - MediaControlPlayFailed event
  - MediaControlNextSucceeded event
  - MediaControlNextFailed event
  - MediaControlPreviousSucceeded event
  - MediaControlPreviousFailed event
  - MediaControlStopSucceeded event
  - MediaControlStopFailed event
  - PairDevices directive
  - UnpairDevices directive
  - ConnectByDeviceIds directive
  - DisconnectDevices directive
  - SetDeviceCategories directive
  - Play directive
  - Previous directive
  - Next directive
  - Stop directive

Overview

The Bluetooth interface supports the following profiles:

A2DP source - Originator of content, such as streaming audio.
A2DP sink - Receiver of content, such as streaming audio.
AVRCP controller and target - Controls media playback on remote devices. Typically, this profile handles functions such as next, previous, pause, and play.

The Bluetooth interface also controls media playback on connected Bluetooth A2DP source devices. For a complete list of directives and events to handle this functionality, see Media Control through Bluetooth.

Supported use cases:

Scan, pair, and unpair Bluetooth devices with the Amazon Alexa App.
Connect and disconnect Bluetooth devices with voice through the Amazon Alexa App.
Control media playback on Bluetooth devices set to the A2DP source.

Sequence diagrams

The Bluetooth interface supports scanning, connecting/disconnecting, pairing/unpairing from Bluetooth peer devices using voice, on-product GUI, the Amazon Alexa App, and third-party companion apps.

The following sequence diagrams illustrate the directives and events exchanged between your client and the Alexa Voice Service (AVS) when using Bluetooth.

Pair a Bluetooth device by using voice

Media controls

Media control directives manage and control playback of content originating from a connected Bluetooth device with its profile set as A2DP_SOURCE. It's the responsibility of your client to pass these commands to the connected device over the Bluetooth channel.

Media control requires accurate reporting of the streaming state with the context object. The following table explains which directives your AVS client delivers based on the streaming state and profile of your connected Bluetooth device.

User Request	Streaming State	Connected Device: A2DP source	Connected Device: A2DP sink
"Alexa, play."	`INACTIVE` or `PAUSED`	`Bluetooth.Play`. Note: Initially, playback must start from the connected device. After playback initiates, Alexa has the necessary focus to send subsequent `Bluetooth.Play` directives.	`AudioPlayer.Play`
"Alexa, stop."	`ACTIVE`	`Bluetooth.Stop`	`AudioPlayer.Stop`
"Alexa, next."	-	If `ACTIVE`, `Bluetooth.Next` is sent. If `INACTIVE` or `PAUSED`, then `Bluetooth.Next` and `Bluetooth.Play` are sent.	`AudioPlayer.Play`
"Alexa, previous."	-	If `ACTIVE`, two `Bluetooth.Previous` directives are sent. If `INACTIVE` or `PAUSED`, then two `Bluetooth.Previous` directives are sent, followed by `Bluetooth.Play`.	`AudioPlayer.Play`
"Alexa, restart."	`ACTIVE`	A `Bluetooth.Previous` directive is sent, which instructs the A2DP source device to restart playback from the start for the current audio item.	`AudioPlayer.Play`

Manage Bluetooth streaming state

The following diagram illustrates when a client should report a change in Bluetooth streaming state.

Bluetooth State Diagram — Click to enlarge

State	Description
`INACTIVE`	The initial streaming state after connecting to a Bluetooth device, but before any content streams.
`ACTIVE`	The streaming state while audio streams to or from a connected Bluetooth device.
`PAUSED`	The streaming state when audio playback to or from a connected Bluetooth device pauses from user interaction. For example, a button press.

Capability assertion

Bluetooth implements on the device on its own behalf. However, it can't implement on behalf of any connected endpoints.

Note: New AVS integrations must assert support through Alexa.Discovery. However, existing integrations using the Capabilities API are still supported.

Sample Object

{
  "type": "AlexaInterface",
  "interface": "Bluetooth",
  "version": "2.0",
  "configurations": {
    "profiles": [
      "AVRCP",
      "A2DP_SINK",
      "A2DP_SOURCE"
    ]
  }
}

Context

Context is a container that communicates the state of your client components to AVS. Context should reflect the state of your client components immediately before an event is fired.

All Bluetooth events that require context must include an object for BluetoothState.

Sample Context

{
  "header": {
    "namespace": "Bluetooth",
    "name": "BluetoothState"
  },
  "payload": {
    "alexaDevice": {
      "friendlyName": "{{STRING}}"
    },
    "pairedDevices": [
      {
        "supportedProfiles": [
          {
            "name": "{{STRING}}",
            "version": "{{STRING}}",
            "state": {
              "streaming": "{{STRING}}"
            }
          }
        ],
        "uniqueDeviceId": "{{STRING}}",
        "deviceCategory": "{{STRING}}",
        "friendlyName": "{{STRING}}",
        "connectionState": "{{STRING}}"
      }
    ]
  }
}

Payload Parameters

Parameter	Description	Type
alexaDevice	An object that contains information about the AVS-enabled device.	object
alexaDevice. friendlyName	A friendly name for the device. Alexa includes this value in TTS. For example: "My Smart Phone".	string
pairedDevices	A list of paired Bluetooth devices.	list
pairedDevices[i]. uniqueDeviceId	A universally unique identifier (UUID) generated to the RFC 4122 specification.	string
pairedDevices[i]. deviceCategory	Category of the Bluetooth device. Accepted Values: `REMOTE_CONTROL`,`GADGET`,`AUDIO_VIDEO`,`PHONE`,`OTHER`,`UNKNOWN`	string
pairedDevices[i]. friendlyName	A friendly name for the device. For example: "My Smart Phone".	string
pairedDevices[i]. connectionState	Bluetooth connection status of paired device. Accepted Values: `CONNECTED` and `DISCONNECTED`	String
pairedDevices[i]. supportedProfiles[j]	A list of supported profiles. Each item contains an object with `name` and `version`.	list
pairedDevices[i]. supportedProfiles[j]. name	Identifies the Bluetooth profile in use. Accepted Values: `A2DP_SOURCE`, `A2DP_SINK`,`AVRCP`,`HFP`,`HID`,`SPP`	string
pairedDevices[i]. supportedProfiles[j]. version	Bluetooth profile version	string
pairedDevices[i]. supportedProfiles[j]. state	An object that contains information about the active streaming state. Only required for `A2DP_SOURCE` or `A2DP_SINK` profiles.	object
pairedDevices[i]. supportedProfiles[j]. state. streaming	The streaming state. Only required for `A2DP_SOURCE` and `A2DP_SINK`. Possible Values: `INACTIVE`,`ACTIVE`,`PAUSED`	string

Streaming State

Use the following rules for any pairedDevice object that connects to a A2DP_SINK or A2DP_SOURCE profile. These rules determine the playback commands Alexa sends to the devices:

Streaming State Before Action	User Request	Action Taken by Product	Streaming State After Action
-	"Alexa, connect my phone."	Connect to the targeted Bluetooth device.	INACTIVE
INACTIVE	When Alexa connects to a `A2DP_SINK`, playback initiates from a `A2DP_SOURCE`. For example a paired phone. When the Alexa product is A2DP_SOURCE, the user can start playback using voice, for example, "Alexa, play classical music."	Stream content from the SOURCE device.	ACTIVE
ACTIVE	"Alexa, pause." / "Alexa, pause music from my phone."	Playback pauses.	PAUSED
PAUSED	"Alexa, resume." / "Alexa, resume music from my phone."	Playback resumes.	ACTIVE

Directives

ScanDevices

This directive instructs your client to scan for discoverable Bluetooth devices.

If the scan discovers a Bluetooth device Send the ScanDevicesReport event to AVS.
If the scan fails: Send the ScanDevicesFailed event to AVS.

Note: ScanDevices does not support voice-initiated requests. Scans can only start by using the Amazon Alexa app or on-product GUI controls.

Sample Message

{
  "directive": {
    "header": {
      "namespace": "Bluetooth",
      "name": "ScanDevices",
      "messageId": "{{STRING}}"
    },
    "payload": {}
  }
}

Header Parameters

Parameter	Description	Type
messageId	A unique ID used to represent a specific message.	string

Payload Parameters

This directive has an empty payload.

SetDeviceCategories

This directive updates the deviceCategory for each discovered device. When a new device pairs with these newly discovered devices, update the Bluetooth Context to include this deviceCategory.

Sample Message

{
  "directive": {
    "header": {
      "namespace": "Bluetooth",
      "name": "SetDeviceCategories",
      "messageId": "{{STRING}}"
    },
    "payload": {
      "devices": [
        {
          "uniqueDeviceId": "{{STRING}}",
          "deviceCategory": "{{STRING}}"
        }
      ]
    }
  }

Header Parameters

Parameter	Description	Type
messageId	A unique ID used to represent a specific message.	string

Payload Parameters

Parameter	Description	Type
devices	A list of devices	list
devices[i].uniqueDeviceId	A universally unique identifier (UUID) generated using the RFC 4122 specification.	string
devices[i].deviceCategory	Category of Bluetooth device	string

EnterDiscoverableMode

This directive instructs a client to initiate Bluetooth discovery mode. This mode allows a user to start Bluetooth pairing from a peer device, such as a smart phone.

When your client to initiate discovery mode, send the EnterDiscoverableModeSucceeded event to AVS.
If your client fails to initiate discovery mode, send a EnterDiscoverableModeFailed directive to AVS.

Sample Message

{
  "directive": {
    "header": {
      "namespace": "Bluetooth",
      "name": "EnterDiscoverableMode",
      "messageId": "{{STRING}}"
    },
    "payload": {
      "durationInSeconds": {{LONG}}
    }
  }
}

Header Parameters

Parameter	Description	Type
messageId	A unique ID used to represent a specific message.	string

Payload Parameters

Parameter	Description	Type
durationInSeconds	Indicates how long a product should remain in discoverable mode.	long

ExitDiscoverableMode

This directive instructs a client to exit discovery mode. For example, AVS sends ExitDiscoverableMode if a user cancels Bluetooth pairing from the Amazon Alexa app.

Sample Message

{
  "directive": {
    "header": {
      "namespace": "Bluetooth",
      "name": "ExitDiscoverableMode",
      "messageId": "{{STRING}}"
    },
    "payload": {}
  }
}

Header Parameters

Parameter	Description	Type
messageId	A unique ID used to represent a specific message.	string

Payload Parameters

This directive has an empty payload.

PairDevices

This directive instructs a client to initiate pairing with a specific Bluetooth device. Use uniqueDeviceId to maintain a local mapping with the MAC address of the peer device.

When your client pairs with the specified device, send a PairDevicesSucceeded event to AVS.
If your client fails to pair with the specified device, send a PairDevicesFailed event to AVS.

Sample Message

{
  "directive": {
    "header": {
      "namespace": "Bluetooth",
      "name": "PairDevices",
      "messageId": "{{STRING}}"
    },
    "payload": {
      "devices": [
        {
          "uniqueDeviceId": "{{STRING}}"
        }
      ]
    }
  }
}

Header Parameters

Parameter	Description	Type
messageId	A unique ID used to represent a specific message.	string

Payload Parameters

Parameter	Description	Type
devices	A list of devices	list
devices[i].uniqueDeviceId	A universally unique identifier (UUID) generated using the RFC 4122 specification. This UUID identifies the Bluetooth device the client should pair with. Your client must maintain a local mapping between this UUID and the Bluetooth MAC address on the device.	string

Stop

This directive instructs the A2DP source to stop playback on the connected A2DP sink.

When the directive processes, send the MediaControlStopSucceeded event.
If the client fails to process the directive, send a MediaControlStopFailed event.

Sample Message

{
  "directive": {
    "header": {
      "namespace": "Bluetooth",
      "name": "Stop",
      "messageId": "{{STRING}}"
    },
    "payload": {
      "device": 
        {
          "uniqueDeviceId": "{{STRING}}"
        }
    }
  }
}

Header Parameters

Parameter	Description	Type
messageId	A unique ID used to represent a specific message.	string

Payload Parameters

Parameter	Description	Type
device	Includes information about the device.	object
device.uniqueDeviceId	A universally unique identifier (UUID) generated using the RFC 4122 specification. Each discovered device should have a UUID.	string

Play

This directive instructs a connected Bluetooth device to start playback on the A2DP sink device. It only applies to devices that use a Bluetooth profile set to A2DP_SOURCE.

When a client processes the directive, send the MediaControlPlaySucceeded event.
If a client fails to process the directive, send the MediaControlPlayFailed event.

Sample Message

{
  "directive": {
    "header": {
      "namespace": "Bluetooth",
      "name": "Play",
      "messageId": "{{STRING}}"
    },
    "payload": {
      "device": {
        "uniqueDeviceId": "{{STRING}}"
      }
    }
  }
}

Header Parameters

Parameter	Description	Type
messageId	A unique ID used to represent a specific message.	string

Payload Parameters

Parameter	Description	Type
device	Includes information about the device.	object
device.uniqueDeviceId	A universally unique identifier (UUID) generated using the RFC 4122 specification. Each discovered device should have a UUID.	string

This directive instructs the A2DP source to skip to the previous media item on the connected A2DP sink device.

When the directive processes, send the MediaControlPreviousSucceeded event.
If the client fails to process the directive, send the MediaControlPreviousFailed event.

Sample Message

{
  "directive": {
    "header": {
      "namespace": "Bluetooth",
      "name": "Previous",
      "messageId": "{{STRING}}"
    },
    "payload": {
      "device": 
        {
          "uniqueDeviceId": "{{STRING}}"
        }
     }
  }
}

Header Parameters

Parameter	Description	Type
messageId	A unique ID used to represent a specific message.	string

Payload Parameters

Parameter	Description	Type
device	Includes information about the device.	object
device.uniqueDeviceId	A universally unique identifier (UUID) generated using the RFC 4122 specification. Each discovered device should have a UUID.	string

This directive instructs the A2DP source to skip to the next media item on the connected A2DP sink device. For example, skipping to the next song in a playlist.

When the directive processes, send the MediaControlNextSucceeded event.
If the client fails to process the directive, send the MediaControlNextFailed event.

Sample Message

{
  "directive": {
    "header": {
      "namespace": "Bluetooth",
      "name": "Next",
      "messageId": "{{STRING}}"
    },
    "payload": {
      "device": 
        {
          "uniqueDeviceId": "{{STRING}}"
        }
    }
  }
}

Header Parameters

Parameter	Description	Type
messageId	A unique ID used to represent a specific message.	string

Payload Parameters

Parameter	Description	Type
device	Includes information about the device.	object
device.uniqueDeviceId	A universally unique identifier (UUID) generated using the RFC 4122 specification. Each discovered device should have a UUID.	string

UnpairDevices

This directive instructs a client to unpair from a specific Bluetooth device.

When a client successfully unpairs with the specified Bluetooth device, send an UnpairDevicesSucceeded event to AVS
If the client fails to unpair with the specified Bluetooth device, send an UnpairDevicesFailed event to AVS.

Sample Message

{
  "directive": {
    "header": {
      "namespace": "Bluetooth",
      "name": "UnpairDevices",
      "messageId": "{{STRING}}"
    },
    "payload": {
      "devices": [
        {
          "uniqueDeviceId": "{{STRING}}"
        }
      ]
    }
  }
}

Header Parameters

Parameter	Description	Type
messageId	A unique ID used to represent a specific message.	string

Payload Parameters

Parameter	Description	Type
devices	A list of devices	list
devices[i].uniqueDeviceId	A universally unique identifier (UUID) generated using the RFC 4122 specification. This UUID identifies the Bluetooth device the client should pair with. Your client must maintain a local mapping between this UUID and the Bluetooth MAC address on the device.	string

ConnectByDeviceIds

This directive instructs a client to establish a connection with a paired Bluetooth device using its uniqueDeviceId as the identifier.

When a client establishes a connection with the specified device, send the ConnectByDeviceIdsSucceeded event to AVS.
If the client fails to establish a connection with the specified device, send the ConnectByDevicesIdFailed event to AVS.

Sample Message

{
  "directive": {
    "header": {
      "namespace": "Bluetooth",
      "name": "ConnectByDeviceIds",
      "messageId": "{{STRING}}"
    },
    "payload": {
      "devices": [
        {
          "uniqueDeviceId": "{{STRING}}"
        }
      ]
    }
  }
}

Header Parameters

Parameter	Description	Type
messageId	A unique ID used to represent a specific message.	string

Payload Parameters

Parameter	Description	Type
devices	A list of devices	list
devices[i].uniqueDeviceId	A universally unique identifier (UUID) generated using the RFC 4122 specification. This UUID identifies the Bluetooth device the client should pair with. Your client must maintain a local mapping between this UUID and the Bluetooth MAC address on the device.	string

ConnectByProfile

This directive instructs a client to establish a connection with a paired Bluetooth device using profile information from the peer Bluetooth device. If multiple devices share the specified profile, the client should establish a connection with the most recent device it previously connected to.

When a client establishes a connection with the specified device, send the ConnectByProfileSucceeded event to AVS.
If the client fails to establish a connection with the specified device, send the ConnectByProfileFailed event to AVS.

Use the name parameter to determine the Bluetooth profile of a device. SOURCE or SINK are the only two supported profiles. For example:

When a user says, "Alexa, pair my phone." The Bluetooth profile is A2DP_SOURCE, since the phone acts as SOURCE.
When a user says "Alexa, pair my speaker." The Bluetooth profile is A2DP_SINK, since the speaker acts as SINK.
When a user says, "Alexa, connect to Bluetooth." The Bluetooth profile is A2DP, since the device can connect as either SOURCE or SINK.

Sample Message

{
  "directive": {
    "header": {
      "namespace": "Bluetooth",
      "name": "ConnectByProfile",
      "messageId": "{{STRING}}"
    },
    "payload": {
      "profile": {
        "name": "{{STRING}}",
        "version": "{{STRING}}"
      }
    }
  }
}

Header Parameters

Parameter	Description	Type
messageId	A unique ID used to represent a specific message.	string

Payload Parameters

Parameter	Description	Type
profile	An object that contains information about the Bluetooth device, such as `name` and `version`.	object
profile.name	Identifies the device. Used to determine the profile type, such as `A2DP_SOURCE` or `A2DP_SINK`.	string
profile.version	Identifies the profile version.	string

DisconnectDevices

This directive instructs a client to disconnect from a specified Bluetooth device.

When a client disconnects from a specified Bluetooth device, send the DisconnectDevicesSucceeded event.
If the client fails to establish a connection with the specified device, send the DisconnectDevicesFailed event.

Sample Message

{
  "directive": {
    "header": {
      "namespace": "Bluetooth",
      "name": "DisconnectDevices",
      "messageId": "{{STRING}}"
    },
    "payload": {
      "devices": [
        {
          "uniqueDeviceId": "{{STRING}}"
        }
      ]
    }
  }
}

Header Parameters

Parameter	Description	Type
messageId	A unique ID used to represent a specific message.	string

Payload Parameters

Parameter	Description	Type
devices	A list of devices.	list
devices[i].uniqueDeviceId	A universally unique identifier (UUID) generated using the RFC 4122 specification. This UUID identifies the Bluetooth device the client should pair with. Your client must maintain a local mapping between this UUID and the Bluetooth MAC address on the device.	string

Events

ScanDevicesReport

This event updates your list of discoverable Bluetooth devices. Send it periodically after receiving a ScanDevices directive.

Note: discoveredDevices must contain an object for all discovered device from when the scan initiates. Do not create generate the delta from the previous event.

Sample Message

{
  "event": {
    "header": {
      "namespace": "Bluetooth",
      "name": "ScanDevicesReport",
      "messageId": "{{STRING}}"
    },
    "payload": {
      "discoveredDevices": [
        {
          "uniqueDeviceId": "{{STRING}}",
          "friendlyName": "{{STRING}}",
          "truncatedMacAddress": "{{STRING}}",
          "metadata": {
            "classOfDevice": {{LONG}},
            "vendorId": {{LONG}},
            "productId": {{LONG}},
            "vendorDeviceSigId": {{LONG}},
            "vendorDeviceId": "{{STRING}}"
          }
        }
      ],
      "hasMore": {{BOOLEAN}}
    }
  }
}

Header Parameters

Parameter	Description	Type
messageId	A unique ID used to represent a specific message.	string

Payload Parameters

Parameter	Description	Type
discoveredDevices	A list of objects that include information about discovered devices.	list
discoveredDevices[i]. uniqueDeviceId	A universally unique identifier (UUID) generated to the RFC 4122 specification. Each discovered device should have a UUID.	string
discoveredDevices[i]. friendlyName	A friendly name for a discovered device. For example: "My Smart Phone." When unavailable, send an empty string.	string
discoveredDevices[i]. truncatedMacAddress	Optional The display name of a device when `friendlyName` does not exist. Contains the partially masked MAC address associated with the Bluetooth device. Mask the first eight hexadecimal digits with the character `X`.	string
discoveredDevices[i]. metadata	An object that contains additional details about the Bluetooth device.	object
discoveredDevices[i]. metadata. classOfDevice	Required The baseband value in base-10 integer that Bluetooth devices publish.	long
discoveredDevices[i]. metadata. vendorId	Optional The vendor ID of the Bluetooth device.	long
discoveredDevices[i]. metadata. productId	Optional The product Id of the Bluetooth device. Set by the manufacturer	long
discoveredDevices[i]. metadata. vendorDeviceSigId	Optional The vendor SigId.	long
discoveredDevices[i]. metadata. vendorDeviceId	Optional The vendor Id. For example, an Amazon UUID in EIR.	string
hasMore	Notifies your client of the scan status. Accepted Values: `true`: the scan did not complete. `false`: the scan completed.	boolean

ScanDevicesFailed

This event checks if a scan operation has failed. If it detects a failure, it clears the list of discovered Bluetooth devices in the companion app. Only send this event after receiving a ScanDevices directive.

Note: Scans can fail on discovered devices. Possible causes might include low-level protocol issues, driver issues, or if the device is in an incompatible state when the scan starts.

Sample Message

{
  "event": {
    "header": {
      "namespace": "Bluetooth",
      "name": "ScanDevicesFailed",
      "messageId": "{{STRING}}"
    },
    "payload": {
      "errorCode": {{LONG}}
    }
  }
}

Header Parameters

Parameter	Description	Type
messageId	A unique ID used to represent a specific message.	string

Payload Parameters

Parameter	Description	Type
errorCode	Optional Bluetooth low level error codes. Follows Bluetooth protocol standards.	long

Error codes

1 - Unknown HCI Command
2 - Unknown Connection Identifier
3 - Hardware Failure
4 - Page Timeout
5 - Authentication Failure
6 - PIN or Key Missing
7 - Memory Capacity Exceeded
8 - Connection Timeout
9 - Connection Limit Exceeded
10 - Synchronous Connection Limit To A Device Exceeded
11 - Connection Already Exists
12 - Command Disallowed
13 - Connection Rejected due to Limited Resources
14 - Connection Rejected Due To Security Reasons
15 - Connection Rejected due to Unacceptable BD_ADDR
16 - Connection Accept Timeout Exceeded
17 - Unsupported Feature or Parameter Value
18 - Invalid HCI Command Parameters
19 - Remote User stopped Connection
20 - Remote Device stopped Connection due to Low Resources
21 - Remote Device stopped Connection due to Power Off
22 - Connection stopped By Local Host
23 - Repeated Attempts
24 - Pairing Not Allowed
25 - Unknown LMP PDU
26 - Unsupported Remote Feature/Unsupported LMP Feature
27 - SCO Offset Rejected
28 - SCO Interval Rejected
29 - SCO Air Mode Rejected
30 - Invalid LMP Parameters/Invalid LL Parameters
31 - Unspecified Error
32 - Unsupported LMP Parameter Value/Unsupported LL Parameter Value
33 - Role Change Not Allowed
34 - LMP Response Timeout/LL Response Timeout
35 - LMP Error Transaction Collision/LL Procedure Collision
36 - LMP PDU Not Allowed
37 - Encryption Mode Not Acceptable
38 - Link Key cannot be Changed
39 - Requested QoS Not Supported
40 - Instant Passed
41 - Pairing With Unit Key Not Supported
42 - Different Transaction Collision
43 - QoS Unacceptable Parameter
44 - QoS Rejected
45 - Channel Assessment Not Supported
46 - Insufficient Security
47 - Parameter Out Of Mandatory Range
48 - Role Switch Pending
49 - Reserved Slot Violation
50 - Role Switch Failed
51 - Extended Inquiry Response Too Large
52 - Secure Simple Pairing Not Supported By Host
53 - Host Busy - Pairing
54 - Connection Rejected due to No Suitable Channel Found
55 - Controller Busy
56 - Unacceptable Connection Parameters
57 - Advertising Timeout
58 - Connection stopped due to MIC Failure
59 - Connection Failed to be Established
60 - MAC Connection Failed
61 - Coarse Clock Adjustment Rejected but Will Try to Adjust Using Clock
62 - Type0 Submap Not Defined
63 - Unknown Advertising Identifier
64 - Limit Reached
65 - Operation Cancelled by Host

SetDeviceCategoriesSucceeded

This event informs AVS that the Bluetooth device category successfully updated after receiving the SetDeviceCategories directive. Send SetDeviceCategoriesSucceeded after receiving the SetDeviceCategories directive.

Sample Message

{
  "event": {
    "header": {
      "namespace": "Bluetooth",
      "name": "SetDeviceCategoriesSucceeded",
      "messageId": "{{STRING}}"
    },
    "payload": {
      "devices": [
        {
          "uniqueDeviceId": "{{STRING}}",
          "deviceCategory": "{{STRING}}"
        }
      ]
    }
  }
}

Header Parameters

Parameter	Description	Type
messageId	A unique ID used to represent a specific message.	string

Payload Parameters

Parameter	Description	Type
devices	A list of devices	list
devices[i].uniqueDeviceId	A universally unique identifier (UUID) generated using the RFC 4122 specification.	string
devices[i].deviceCategory	Category of Bluetooth device	string

SetDeviceCategoriesFailed

This event informs AVS that the Bluetooth device category did not update. Send SetDeviceCategoriesFailed after receiving the SetDeviceCategories directive.

Resend all applicable metadata with a this event so AVS can re-determine the device category again. If the device category resolves, AVS sends a new SetDeviceCategories directive.

{
  "event": {
    "header": {
      "namespace": "Bluetooth",
      "name": "SetDeviceCategoriesFailed",
      "messageId": "{{STRING}}"
    },
    "payload": {
      "devices": [
        {
          "uniqueDeviceId": "{{STRING}}",
          "metadata": {
            "classOfDevice": {{LONG}},
            "vendorId": {{LONG}},
            "productId": {{LONG}},
            "vendorDeviceSigId": {{LONG}},
            "vendorDeviceId": "{{STRING}}"
          }
        }
      ]
    }
  }
}

Header Parameters

Parameter	Description	Type
messageId	A unique ID used to represent a specific message.	string

Payload Parameters

Parameter	Description	Type
devices	A list of devices	list
devices[i]. uniqueDeviceId	A universally unique identifier (UUID) generated to the RFC 4122 specification. Each discovered device should have a UUID.	string
devices[i]. friendlyName	A friendly name for a discovered device. For example: "My Smart Phone." When unavailable, send an empty string.	string
devices[i]. metadata	An object that contains additional details about the Bluetooth device.	object
devices[i]. .metadata. classOfDevice	Required The baseband value in base-10 integer that Bluetooth devices publish.	long
devices[i]. metadata.vendorId	Optional The vendor ID of the Bluetooth device.	long
devices[i]. metadata.productId	Optional The product Id of the Bluetooth device. Set by the manufacturer	long
devices[i]. metadata.vendorDeviceSigId	Optional The vendor SigId.	long
devices[i]. metadata.vendorDeviceId	Optional The vendor Id. For example, an Amazon UUID in EIR	string

EnterDiscoverableModeSucceeded

Send this event when your client enters discovery mode.

Sample Message

{
  "event": {
    "header": {
      "namespace": "Bluetooth",
      "name": "EnterDiscoverableModeSucceeded",
      "messageId": "{{STRING}}"
    },
    "payload": {}
  }
}

Header Parameters

Parameter	Description	Type
messageId	A unique ID used to represent a specific message.	string

Payload Parameters

Sends an empty payload.

EnterDiscoverableModeFailed

This event informs AVS that your devices failed to initiate discovery mode after receiving the EnterDiscoverableMode directive. A failure can occur due to low-level protocol issues or driver issues. Send EnterDiscoverableModeFailed after the failure occurs.

Sample Message

{
  "event": {
    "header": {
      "namespace": "Bluetooth",
      "name": "EnterDiscoverableModeFailed",
      "messageId": "{{STRING}}"
    },
    "payload": {}
  }
}

Header Parameters

Parameter	Description	Type
messageId	A unique ID used to represent a specific message.	string

Payload Parameters

Sends an empty payload.

PairDevicesSucceeded

This event informs AVS that your devices successfully paired after receiving the PairDevices directive. Send PairDevicesSucceeded after the pairing occurs.

Sample Message

{
  "event": {
    "header": {
      "namespace": "Bluetooth",
      "name": "PairDevicesSucceeded",
      "messageId": "{{STRING}}"
    },
    "payload": {
      "devices": [
        {
          "uniqueDeviceId": "{{STRING}}",
          "deviceCategory": "{{STRING}}",
          "friendlyName": "{{STRING}}",
          "profiles": [
            {
              "name": "{{STRING}}",
              "version": "{{STRING}}"
            }
          ]
        }
      ]
    }
  }
}

Header Parameters

Parameter	Description	Type
messageId	A unique ID used to represent a specific message.	string

Payload Parameters

Parameter	Description	Type
devices	A list of devices	list
devices[i].uniqueDeviceId	A universally unique identifier (UUID) generated to the RFC 4122 specification.	string
devices[i].deviceCategory	Category of Bluetooth device. See context for supported types	string
devices[i].friendlyName	A friendly name for the device. For example: "My Smart Phone".	string
devices[i].profiles	A list of profiles on the devices.	list
devices[i].profiles[j].name	Bluetooth Profile. See for supported types	string
devices[i].profiles[j].version	Bluetooth Profile Version	string

PairDevicesFailed

Send this event when your client fails to pair with a peer Bluetooth device.

Sample Message

{
  "event": {
    "header": {
      "namespace": "Bluetooth",
      "name": "PairDevicesFailed",
      "messageId": "{{STRING}}"
    },
    "payload": {
      "devices": [
        {
          "uniqueDeviceId": "{{STRING}}",
          "errorCode": {{LONG}}
        }
      ]
    }
  }
}

Header Parameters

Parameter	Description	Type
messageId	A unique ID used to represent a specific message.	string

Payload Parameters

Parameter	Description	Type
devices	A list of devices	list
devices[i].uniqueDeviceId	A universally unique identifier (UUID) generated using the RFC 4122 specification.	string
devices[i].errorCode	Optional Bluetooth low level error codes. Follows Bluetooth protocol standard. See the `ScanDevicesFailed` event for error code descriptions	long

UnpairDevicesSucceeded

This event informs AVS when a client successfully pairs with a device. Send UnpairDevicesSucceeded after the success occurs.

Sample Message

{
  "event": {
    "header": {
      "namespace": "Bluetooth",
      "name": "UnpairDevicesSucceeded",
      "messageId": "{{STRING}}"
    },
    "payload": {
      "devices": [
        {
          "uniqueDeviceId": "{{STRING}}"
        }
      ]
    }
  }
}

Header Parameters

Parameter	Description	Type
messageId	A unique ID used to represent a specific message.	string

Payload Parameters

Parameter	Description	Type
devices	A list of devices	list
devices[i].uniqueDeviceId	A universally unique identifier (UUID) generated using the RFC 4122 specification.	string

UnpairDevicesFailed

This event informs AVS when a client fails to unpair with a Bluetooth device. Send UnpairDevicesFailed after the failure occurs.

Sample Message

{
  "event": {
    "header": {
      "namespace": "Bluetooth",
      "name": "UnpairDevicesFailed",
      "messageId": "{{STRING}}"
    },
    "payload": {
      "devices": [
        {
          "uniqueDeviceId": "{{STRING}}",
          "errorCode": "{{STRING}}"
        }
      ]
    }
  }
}

Header Parameters

Parameter	Description	Type
messageId	A unique ID used to represent a specific message.	string

Payload Parameters

Parameter	Description	Type
devices	A list of devices	list
devices[i].uniqueDeviceId	A universally unique identifier (UUID) generated using the RFC 4122 specification.	string
devices[i].errorCode	Optional Bluetooth low level error codes. Follows Bluetooth protocol standard. See the `ScanDevicesFailed` event for error code descriptions	long

ConnectByDeviceIdsSucceeded

This event informs AVS that a client established a connection with a paired Bluetooth device using its uniqueDeviceId as an identifier. Send ConnectByDeviceIdsSucceeded after successfully connecting

Sample Message

{
  "event": {
    "header": {
      "namespace": "Bluetooth",
      "name": "ConnectByDeviceIdsSucceeded",
      "messageId": "{{STRING}}"
    },
    "payload": {
      "devices": [
        {
          "uniqueDeviceId": "{{STRING}}",
          "friendlyName": "{{STRING}}"
        }
      ],
      "requester": "{{STRING}}"
    }
  }
}

Header Parameters

Parameter	Description	Type
messageId	A unique ID used to represent a specific message.	string

Payload Parameters

Parameter	Description	Type
devices	A list of devices	object
devices[i].uniqueDeviceId	A universally unique identifier (UUID) generated using the RFC 4122 specification.	string
devices[i].friendlyName	A friendly name for the device. For example: "My Smart Phone".	string
requester	Identifies the initiator of the connection request. Accepted values: `DEVICE` or `CLOUD`. - `DEVICE` indicates that a user interaction with the device triggered the event. - `CLOUD` indicates that AVS sent the event.	string

ConnectByDeviceIdsFailed

This event informs AVS that a client failed to establish a connection with a paired Bluetooth device using its uniqueDeviceId as an identifier. Send ConnectByDeviceIdsFailed after the failure occurs.

Sample Message

{
  "event": {
    "header": {
      "namespace": "Bluetooth",
      "name": "ConnectByDeviceIdsFailed",
      "messageId": "{{STRING}}"
    },
    "payload": {
      "devices": [
        {
          "uniqueDeviceId": "{{STRING}}",
          "friendlyName": "{{STRING}}",
          "errorCode": {{LONG}}
        }
      ],
      "requester": "{{STRING}}"
    }
  }
}

Header Parameters

Parameter	Description	Type
messageId	A unique ID used to represent a specific message.	string

Payload Parameters

Parameter	Description	Type
devices	A list of devices	list
devices[i].uniqueDeviceId	A universally unique identifier (UUID) generated using the RFC 4122 specification.	string
devices[i].friendlyName	A friendly name for the device. For example: "My Smart Phone".	string
devices[i].errorCode	Optional Bluetooth low level error codes. Follows Bluetooth protocol standard. See the `ScanDevicesFailed` event for error code descriptions	long
requester	Identifies the initiator of the connection request. Accepted values: `DEVICE` or `CLOUD`. - `DEVICE` indicates that a user interaction with the device triggered the event. - `CLOUD` indicates that AVS sent the event.	string

ConnectByProfileSucceeded

This event informs AVS that a client established a connection with a paired Bluetooth device using the profile provided in the ConnectByProfile directive. Send ConnectByProfileSucceeded after the connection succeeds.

Sample Message

{
  "event": {
    "header": {
      "namespace": "Bluetooth",
      "name": "ConnectByProfileSucceeded",
      "messageId": "{{STRING}}"
    },
    "payload": {
      "device": {
        "uniqueDeviceId": "{{STRING}}",
      },
      "profileName": "{{STRING}}",
      "requester": "{{STRING}}"
    }
  }
}

Header Parameters

Parameter	Description	Type
messageId	A unique ID used to represent a specific message.	string

Payload Parameters

Parameter	Description	Type
device	An object that contains information about the device.	object
device.uniqueDeviceId	A universally unique identifier (UUID) generated using the RFC 4122 specification.	string
requester	Identifies the initiator of the connection request. Accepted values: `DEVICE` or `CLOUD`. - `DEVICE` indicates that a user interaction with the device triggered the event. - `CLOUD` indicates that AVS sent the event.	string
profileName	The profile name associated with the connected device. This should match the `profile.name` provided in the `ConnectByProfile` directive.	string

ConnectByProfileFailed

This event informs AVS that a client failed to establish a connection with a paired Bluetooth device using the profile provided in the ConnectByProfile directive. Send ConnectByProfileFailed after the failure occurs.

Sample Message

{
  "event": {
    "header": {
      "namespace": "Bluetooth",
      "name": "ConnectByProfileFailed",
      "messageId": "{{STRING}}"
    },
    "payload": {
      "requester": "{{STRING}}",
      "profileName": "{{STRING}}",
      "errorCode": {{LONG}}
    }
  }
}

Header Parameters

Parameter	Description	Type
messageId	A unique ID used to represent a specific message.	string

Payload Parameters

Parameter	Description	Type
requester	Identifies the initiator of the connection request. Accepted values: `DEVICE` or `CLOUD`. - `DEVICE` indicates that a user interaction with the device triggered the event. - `CLOUD` indicates that AVS sent the event. .	string
profileName	The profile name associated with the connected device. This parameter should match the `profile.name` provided in the `ConnectByProfile`.	string
errorCode	Optional Bluetooth low level error codes. Follows Bluetooth protocol standard. See the `ScanDevicesFailed` event for error code descriptions	long

DisconnectDevicesSucceeded

This event informs AVS that a client disconnected from a paired Bluetooth device, after receiving a DisconnectDevices directive. Send DisconnectDevicesSucceeded after the disconnection succeeds.

Sample Message

{
  "event": {
    "header": {
      "namespace": "Bluetooth",
      "name": "DisconnectDevicesSucceeded",
      "messageId": "{{STRING}}"
    },
    "payload": {
      "devices": [
        {
          "uniqueDeviceId": "{{STRING}}",
          "friendlyName": "{{STRING}}"
        }
      ],
      "requester": "{{STRING}}"
    }
  }
}

Header Parameters

Parameter	Description	Type
messageId	A unique ID used to represent a specific message.	string

Payload Parameters

Parameter	Description	Type
devices	A list of devices	list
devices[i].uniqueDeviceId	A universally unique identifier (UUID) generated using the RFC 4122 specification.	string
devices[i].friendlyName	A friendly name for the device. For example: "My Smart Phone".	string
requester	Identifies the initiator of the connection request. Accepted values: `DEVICE` or `CLOUD`. - `DEVICE` indicates that a user interaction with the device triggered the event. - `CLOUD` indicates that AVS sent the event.	string

DisconnectDevicesFailed

This event informs AVS that a client failed to disconnect from a paired Bluetooth device, after receiving a DisconnectDevice directive. Send DisconnectDevicesFailed after the disconnection fails.

Sample Message

{
  "event": {
    "header": {
      "namespace": "Bluetooth",
      "name": "DisconnectDevicesFailed",
      "messageId": "{{STRING}}"
    },
    "payload": {
      "devices": [
        {
          "uniqueDeviceId": "{{STRING}}",
          "friendlyName": "{{STRING}}",
          "errorCode": {{LONG}}
        }
      ],
      "requester": "{{STRING}}"
    }
  }
}

Header Parameters

Parameter	Description	Type
messageId	A unique ID used to represent a specific message.	string

Payload Parameters

Parameter	Description	Type
devices	A list of devices	list
devices[i].uniqueDeviceId	A universally unique identifier (UUID) generated using the RFC 4122 specification.	string
devices[i].friendlyName	A friendly name for the device. For example: "My Smart Phone".	string
devices[i].errorCode	Optional Bluetooth low level error codes. Follows Bluetooth protocol standard. See the `ScanDevicesFailed` event for error code descriptions	long
requester	Identifies the initiator of the connection request. Accepted values: `DEVICE` or `CLOUD`. - `DEVICE` indicates that a user interaction with the device triggered the event. - `CLOUD` indicates that AVS sent the event.	string

StreamingStarted

This event informs AVS that the Bluetooth streaming state of a connected device has started. Send StreamingStarted when the following state changes occur:

The Bluetooth streaming state of a connected device changes from INACTIVE to ACTIVE
The Bluetooth streaming state of a connected device changes from PAUSED to ACTIVE

{
  "event": {
    "header": {
      "namespace": "Bluetooth",
      "name": "StreamingStarted",
      "messageId": "{{STRING}}"
    },
    "payload": {
      "device": {
        "uniqueDeviceId": "{{STRING}}",
        "profileName": "{{STRING}"
      }
    }
  }
}

Payload Parameters

Parameter	Description	Type
device	Includes information about the device.	object
device.uniqueDeviceId	A universally unique identifier (UUID) generated using the RFC 4122 specification. Each discovered device should have a UUID.	string
device.profileName	The profile name associated with the connected device. This should match the `profile.name` provided in the `ConnectByProfile` directive.	string

StreamingEnded

This event informs AVS that the Bluetooth streaming state of a connected device has stopped. Send the StreamingEnded event when the Bluetooth state changes from ACTIVE to PAUSED.

{
  "event": {
    "header": {
      "namespace": "Bluetooth",
      "name": "StreamingEnded",
      "messageId": "{{STRING}}"
    },
    "payload": {
      "device": {
        "uniqueDeviceId": "{{STRING}}",
        "profileName": "{{STRING}}"
      }
    }
  }
}

Parameter	Description	Type
device	Includes information about the device.	object
device.uniqueDeviceId	A universally unique identifier (UUID) generated using the RFC 4122 specification. Each discovered device should have a UUID.	string
device.profileName	The profile name associated with the connected device. This should match the `profile.name` provided in the `ConnectByProfile` directive.	string

MediaControlPlaySucceeded

This event informs AVS that a connected Bluetooth device started audio playback. Send the MediaControlPlaySucceeded event after the A2DP source handles the Play directive.

Sample Message

{
  "event": {
    "header": {
      "namespace": "Bluetooth",
      "name": "MediaControlPlaySucceeded",
      "messageId": "{{STRING}}"
    },
    "payload": {
      "device": {
        "uniqueDeviceId": "{{STRING}}"
      }
    }
  }
}

Header Parameters

Parameter	Description	Type
messageId	A unique ID used to represent a specific message.	string

Payload Parameters

Parameter	Description	Type
device	Includes information about the device.	object
device.uniqueDeviceId	A universally unique identifier (UUID) generated using the RFC 4122 specification. Each discovered device should have a UUID.	string

MediaControlPlayFailed

This event informs AVS that a connected Bluetooth device failed to start audio playback. Send the MediaControlPlayFailed event after the A2DP source fails to handles the Play directive.

Sample Message

{
  "event": {
    "header": {
      "namespace": "Bluetooth",
      "name": "MediaControlPlayFailed",
      "messageId": "{{STRING}}"
    },
    "payload": {
      "device": {
        "uniqueDeviceId": "{{STRING}}"
      },
      "errorCode": {{LONG}}
    }
  }
}

Header Parameters

Parameter	Description	Type
messageId	A unique ID used to represent a specific message.	string

Payload Parameters

Parameter	Description	Type
device	Includes information about the device.	object
device.uniqueDeviceId	A universally unique identifier (UUID) generated using the RFC 4122 specification. Each discovered device should have a UUID.	string
errorCode	Optional Bluetooth low level error codes. Follows Bluetooth protocol standard. See the `ScanDevicesFailed` event for error code descriptions	long

MediaControlStopSucceeded

This event informs AVS that the A2DP source successfully handled the Stop directive.

Sample Message

{
  "event": {
    "header": {
      "namespace": "Bluetooth",
      "name": "MediaControlStopSucceeded",
      "messageId": "{{STRING}}"
    },
    "payload": {
      "device": {
        "uniqueDeviceId": "{{STRING}}"
      }
    }
  }
}

Header Parameters

Parameter	Description	Type
messageId	A unique ID used to represent a specific message.	string

Payload Parameters

Parameter	Description	Type
device	Includes information about the device.	object
device.uniqueDeviceId	A universally unique identifier (UUID) generated using the RFC 4122 specification. Each discovered device should have a UUID.	string

MediaControlStopFailed

This event informs AVS that the Stop directive failed to stop Media Playback on the A2DP source.

Sample Message

{
  "event": {
    "header": {
      "namespace": "Bluetooth",
      "name": "MediaControlStopFailed",
      "messageId": "{{STRING}}"
    },
    "payload": {
      "device": {
        "uniqueDeviceId": "{{STRING}}"
      },
      "errorCode": {{LONG}}
    }
  }
}

Header Parameters

Parameter	Description	Type
messageId	A unique ID used to represent a specific message.	string

Payload Parameters

Parameter	Description	Type
device	Includes information about the device.	object
device.uniqueDeviceId	A universally unique identifier (UUID) generated using the RFC 4122 specification. Each discovered device should have a UUID.	string
errorCode	Optional Bluetooth low level error codes. Follows Bluetooth protocol standard. See the `ScanDevicesFailed` event for error code descriptions	long

MediaControlNextSucceeded

This event informs AVS that the A2DP source successfully handled the Next directive. Send the MediaControlNextSucceeded event after the success occurs.

Sample Message

{
  "event": {
    "header": {
      "namespace": "Bluetooth",
      "name": "MediaControlNextSucceeded",
      "messageId": "{{STRING}}"
    },
    "payload": {
      "device": {
        "uniqueDeviceId": "{{STRING}}"
      }
    }
  }
}

Header Parameters

Parameter	Description	Type
messageId	A unique ID used to represent a specific message.	string

Payload Parameters

Parameter	Description	Type
device	Includes information about the device.	object
device.uniqueDeviceId	A universally unique identifier (UUID) generated using the RFC 4122 specification. Each discovered device should have a UUID.	string

MediaControlNextFailed

This event informs AVS that the A2DP source failed to handle the Next directive. Send the MediaControlNextFailed event after the failure occurs.

Sample Message

{
  "event": {
    "header": {
      "namespace": "Bluetooth",
      "name": "MediaControlNextFailed",
      "messageId": "{{STRING}}"
    },
    "payload": {
      "device": {
        "uniqueDeviceId": "{{STRING}}"
      },
      "errorCode": {{LONG}}
    }
  }
}

Header Parameters

Parameter	Description	Type
messageId	A unique ID used to represent a specific message.	string

Payload Parameters

Parameter	Description	Type
device	Includes information about the device.	object
device.uniqueDeviceId	A universally unique identifier (UUID) generated using the RFC 4122 specification. Each discovered device should have a UUID.	string
errorCode	Optional Bluetooth low level error codes. Follows Bluetooth protocol standard. See the `ScanDevicesFailed` event for error code descriptions	long

MediaControlPreviousSucceeded

This event informs AVS that the A2DP source processed the previous directive. Send the MediaControlPreviousSucceeded event after the success occurs.

Sample Message

{
  "event": {
    "header": {
      "namespace": "Bluetooth",
      "name": "MediaControlPreviousSucceeded",
      "messageId": "{{STRING}}"
    },
    "payload": {
      "device": {
        "uniqueDeviceId": "{{STRING}}"
      }
    }
  }
}

Header Parameters

Parameter	Description	Type
messageId	A unique ID used to represent a specific message.	string

Payload Parameters

Parameter	Description	Type
device	Includes information about the device.	object
device.uniqueDeviceId	A universally unique identifier (UUID) generated using the RFC 4122 specification. Each discovered device should have a UUID.	string

MediaControlPreviousFailed

This event informs AVS if the A2DP source fails to handle the Previous directive.

Sample Message

{
  "event": {
    "header": {
      "namespace": "Bluetooth",
      "name": "MediaControlPreviousFailed",
      "messageId": "{{STRING}}"
    },
    "payload": {
      "device": {
        "uniqueDeviceId": "{{STRING}}"
      },
      "errorCode": {{LONG}}
    }
  }
}

Header Parameters

Parameter	Description	Type
messageId	A unique ID used to represent a specific message.	string

Payload Parameters

Parameter	Description	Type
device	Includes information about the device.	object
device.uniqueDeviceId	A universally unique identifier (UUID) generated using the RFC 4122 specification. Each discovered device should have a UUID.	string
errorCode	Optional Bluetooth low level error codes. Follows Bluetooth protocol standard. See the `ScanDevicesFailed` event for error code descriptions	long

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Last updated: Nov 27, 2023