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Alexa.PlaybackController Interface (VSK Fire TV)

When users make transport control utterances (e.g., Stop, Rewind, Play, etc.), the Alexa.PlaybackController interface sends transport control directives (Pause, Play, Stop, Resume, Next, Previous, FastForward, Rewind, StartOver) to provide instructions for controlling media.

Utterances for Transport Controls Directives

Alexa sends transport control directives to your app (for app-only integrations) or to your Lambda (for cloudside integrations) when users say the following utterances.

Feature Sample Utterances Expected Response
Pause
Required for certification

pause

The media pauses, similar to pressing the Pause button on your web player or remote control.

Play
Required for certification

Play

The media plays, similar to pressing the Play button on your web player or remote control.

Stop
Required for certification

stop

The media stops, similar to pressing the Stop button on your web player or remote control.

Resume
Required for certification

Resume

The media resumes play, similar to pressing the Play button on your web player or remote control.

Start over
Required for certification

Start over

The media starts over, adjusting the seek position back to the beginning of the media.

Fast Forward
Required for certification

Fast Forward

The media fast-forwards 10 seconds.

Rewind
Required for certification

Rewind

The media rewinds 10 seconds.

Previous
Required for certification

Previous

The previous episode plays. If this isn't possible, the user is taken to whatever was earlier in the current playlist.

Next
Required for certification

Next

The next episode plays. If this isn't possible, the user is taken to whatever is next in the current playlist.

Feature Sample Utterances Expected Response
Pause
Required for certification

pause / mets sur pause

The media pauses, similar to pressing the Pause button on your web player or remote control.

Play
Required for certification

joue

The media plays, similar to pressing the Play button on your web player or remote control.

Stop
Required for certification

arrête / stop / stoppe

The media stops, similar to pressing the Stop button on your web player or remote control.

Resume
Required for certification

Not supported

The media resumes play, similar to pressing the Play button on your web player or remote control.

Start over
Required for certification

recommence

The media starts over, adjusting the seek position back to the beginning of the media.

Fast Forward
Required for certification

avance

fast forward

The media fast-forwards 10 seconds.

Rewind
Required for certification

rewind

rembobine

The media rewinds 10 seconds.

Previous
Required for certification

précédent(e)

The previous episode plays. If this isn't possible, the user is taken to whatever was earlier in the current playlist.

Next
Required for certification

prochain(e)

suivant(e)

next

The next episode plays. If this isn't possible, the user is taken to whatever is next in the current playlist.

Feature Sample Utterances Expected Response
Pause
Required for certification

pause / mets sur pause

The media pauses, similar to pressing the Pause button on your web player or remote control.

Play
Required for certification

joue

The media plays, similar to pressing the Play button on your web player or remote control.

Stop
Required for certification

arrête / stop / stoppe

The media stops, similar to pressing the Stop button on your web player or remote control.

Resume
Required for certification

Not supported

The media resumes play, similar to pressing the Play button on your web player or remote control.

Start over
Required for certification

recommence

The media starts over, adjusting the seek position back to the beginning of the media.

Fast Forward
Required for certification

avance

The media fast-forwards 10 seconds.

Rewind
Required for certification

rembobine

The media rewinds 10 seconds.

Previous
Required for certification

précédent(e)

The previous episode plays. If this isn't possible, the user is taken to whatever was earlier in the current playlist.

Next
Required for certification

prochain(e)

suivant(e)

next

The next episode plays. If this isn't possible, the user is taken to whatever is next in the current playlist.

Feature Sample Utterances Expected Response
Pause
Required for certification

pause

pausier [DeviceLocation] pausier auf? [DeviceType]

pause auf? [DeviceLocation]? [DeviceBrand]

pausier [AppName]

pausier überall

The media pauses, similar to pressing the Pause button on your web player or remote control.

Play
Required for certification

spiel auf? [DeviceBrand]

spiel auch? auf [DeviceType] [DeviceBrand]?

spiel hier auch

spiel etwas anderes

The media plays, similar to pressing the Play button on your web player or remote control.

Stop
Required for certification

stopp

halt an

hör auf

stopp [DeviceLocation]

stopp [DeviceBrand]

stopp [DeviceType]

stoppe auf dem [DeviceLocation] [DeviceBrand]

The media stops, similar to pressing the Stop button on your web player or remote control.

Resume
Required for certification

fortsetzen

das fortsetzen

The media resumes play, similar to pressing the Play button on your web player or remote control.

Start over
Required for certification

neu starten

spiel vom anfang

start von vorn

von anfang an abspielen

von vorne auf [DeviceBrand] abspielen

beginne erneut

noch mal von vorne

noch einmal beginnen

The media starts over, adjusting the seek position back to the beginning of the media.

Fast Forward
Required for certification

spul vor

spul auf? [AppName] vor

The media fast-forwards 10 seconds.

Rewind
Required for certification

spul zurück

spul [AppName] zurück

spul auf? [DeviceBrand] zurück spul [DeviceBrand] [Duration] zurück

The media rewinds 10 seconds.

Previous
Required for certification

vorherige

vorheriges

zurück

eins zurück

geh zurück

geh zum vorherigen

vorheriges auf dem [DeviceLocation]? [DeviceBrand]

spring/geh zurück/nach hinten auf [AppName]

vorheriges auf [DeviceLocation] [DeviceType]

vorheriges video/kanal auf [DeviceLocation] [DeviceType]

überall vorheriges

auf allen [DeviceType] vorheriges

The previous episode plays. If this isn't possible, the user is taken to whatever was earlier in the current playlist.

Next
Required for certification

nächste

nächstes

das nächste

spring/geh vor

spring/geh vorwärts vor

überspring das

eins weiter/vorwärts

weiter

spring nach vorn

spring nach vorn auf [AppName]/[DeviceBrand]

nächstes im [DeviceLocation]

nächstes auf [DeviceLocation]? [DeviceType]/[DeviceBrand]

gib mir das nächste von [AppName]

nächstes auf allen [DeviceType]

The next episode plays. If this isn't possible, the user is taken to whatever is next in the current playlist.

Feature Sample Utterances Expected Response
Pause
Required for certification

pause रोको एक second रुक जाओ एक second wait करना एक second pause हो जाओ ठहरना ज़रा थम जा freeze[Anaphor] को रोक दो[AppName] को pause कर दो मेरे [DeviceLocation] [Device] को pause करना मेरे [DeviceLocation]

[DeviceType] को pause करना[DeviceLocation] पे/पर Device को रोक दो ज़रा

The media pauses, similar to pressing the Pause button on your web player or remote control.

Play
Required for certification

[SportsTeam] का [Event] लगा/चला दो [ActiveUserTrigger] [DeviceBrand] पर लगाओ/चलाओ [Country] में जो [SortType] है लगाओ/चलाओ [Country] से [Date] के [SortType] लगा/बजा देना [Anaphor] [Device] पर बजाएँ/लगाएँ [ListPosition] [Anaphor] लगा/बजा दीजिये [Country] के [City] में [SortType] है बजाओ/लगाओ [League] [Event] लगा/बजा दीजिये [Anaphor] play करो [ActiveUserTrigger] [Date] ही के [SortType] बजाओ [SportsTeam] versus [SportsTeamOpponent] का Event लगा दे [League] [Event] का [Version] चलाओ [Anaphor] [ActiveUserTrigger] [Device] पर लगा दो [ListPosition] बजा दो [Sport] [Event] लगाइए/बजाइए [Date] [Anaphor] play करो [DeviceLocation] पे [DeviceBrand] बजाओ/लगाओ

The media plays, similar to pressing the Play button on your web player or remote control.

Stop
Required for certification

चुप हो जाओ/बस कर/quiet/चुप/शांत/शांति/shush/मुँह बंद करो stop [Anaphor] बंद करो/रोको [Anaphor] [Anaphor] stop/बंद करो/रोको [Anaphor] [MediaType] बंद करना stop [AppName] [AppName] बंद stop [Device] [Device] रोको stop [LocationNonSpecificQuantity] [LocationNonSpecificQuantity] stop/रोको stop [DeviceLocation] [DeviceLocation] stop/रोको stop [MediaType] [MediaType] stop/रोको

The media stops, similar to pressing the Stop button on your web player or remote control.

Resume
Required for certification

जारी रखो

resume करो

The media resumes play, similar to pressing the Play button on your web player or remote control.

Start over
Required for certification

फिर से चलाओ

फिर से शुरू करो

The media starts over, adjusting the seek position back to the beginning of the media.

Fast Forward
Required for certification

[AppName] पर थोड़ा आगे कर दो[AppName] में fast forward करें[Anaphor] आगे/forward करनाfast forward करो[Anaphor] आगे करना ज़रा[Anaphor] वाले को आगे बढ़ाओ

The media fast-forwards 10 seconds.

Rewind
Required for certification

थोड़ा reverse/rewind/पीछे करोrewind[AppName] को rewind करो[Anaphor] reverse/rewind/पीछे करो[DeviceLocation] के [Device] को rewind करना

The media rewinds 10 seconds.

Previous
Required for certification

previous/पीछे/पिछला/पिछलीprevious/पीछे/पिछला/पिछली वाली recipe [VisualModeTrigger][Anaphor] वापस जाओprevious/पीछे/पिछला/पिछली [Anaphor] पर वापिस जाओ पिछला वाला [Episode][Anaphor] पहला वाला [Episode] पर जानाprevious [LocationNonSpecificQuantity][LocationNonSpecificQuantity] previous/पीछे/पिछला/पिछली वाला लगाओ[DeviceBrand] पे पिछलाprevious/पीछे/पिछला/पिछली वाला [DeviceBrand][Anaphor] [DeviceBrand] पर previous/पीछे/पिछला/पिछली वाला[DeviceLocation] के [DeviceBrand] पर पिछला वाला[AppName] में पिछली वाली पर वापस जाओprevious/पीछे/पिछला/पिछली वाला [AppName] पर जा[ActiveUserTrigger] [Quantifier] [DeviceType] में पीछे जाओ पिछला [MediaType] play करो

The previous episode plays. If this isn't possible, the user is taken to whatever was earlier in the current playlist.

Next
Required for certification

[GroupDeviceBrand] [HomeAutomationType] पर अगला लगाओ[GroupDeviceBrand] पर अगला लगाओ[GroupDeviceBrand] वाले [HomeAutomationType] पर अगला चलाना[AppName] पर इसके बाद वाला दो[AppName] पर मुझे next वाला दे देनाnext recipe अगली recipe[DeviceLocation] पर इसके बाद वाला दो[LocationNonSpecificQuantity] अगला चलाओ अगला/next [Episode] play करो[DeviceLocation] पर DeviceBrand अगला वाला दो

The next episode plays. If this isn't possible, the user is taken to whatever is next in the current playlist.

Feature Sample Utterances Expected Response
Pause
Required for certification

metti in pausa / voglio mettere in pausa / posso mettere in pausa

The media pauses, similar to pressing the Pause button on your web player or remote control.

Play
Required for certification
riproduci /metti / fai partire

The media plays, similar to pressing the Play button on your web player or remote control.

Stop
Required for certification

stop / ferma / spegni / smetti / basta / stoppa 

The media stops, similar to pressing the Stop button on your web player or remote control.

Resume
Required for certification

riprendi

The media resumes play, similar to pressing the Play button on your web player or remote control.

Start over
Required for certification

ricomincia

The media starts over, adjusting the seek position back to the beginning of the media.

Fast Forward
Required for certification

manda avanti / vai avanti / avanti veloce

The media fast-forwards 10 seconds.

Rewind
Required for certification

vai indietro / mandalo indietro / indietro veloce / torna indietro

The media rewinds 10 seconds.

Previous
Required for certification

ritorna al precedente / vai indietro di uno / precedente / torna indietro / indietro

The previous episode plays. If this isn't possible, the user is taken to whatever was earlier in the current playlist.

Next
Required for certification

prossima / seguente / avanti / salta / successivo

The next episode plays. If this isn't possible, the user is taken to whatever is next in the current playlist.

Feature Sample Utterances Expected Response
Pause
Required for certification

ポーズ 一旦停止 一旦止めて[Anaphor]で一時停止[AppName]を一旦停止[DeviceLocation]の[DeviceBrand]をポーズして[DeviceLocation]の[DeviceType]を一時停止[DeviceBrand]をポーズして[DeviceType]を一旦停止して

The media pauses, similar to pressing the Pause button on your web player or remote control.

Play
Required for certification

[SportsTeam]の[Event]を再生して[Country]で[SortType]のやつかけて[Country]で[Date][SortType]のやつ流して[ListPosition]の[Anaphor]再生[Country]の[City]で[SortType]のやつストリームして[City]で[SortType]のやつ再生して[League]の[Event]かけて[MediaPlayer]で[AppName]を再生して[ActiveUserTrigger][SortType]を再生して[SportsTeam]対[SportsTeamOpponent]の[Event]をかけて[Version]の[League]の[Event]をストリームして[Sport]の[Event]を再生して[ActiveUserTrigger][DeviceBrand]でストリームして[DeviceBrand]でかけて[DeviceLocation]の[DeviceBrand]で流して

The media plays, similar to pressing the Play button on your web player or remote control.

Stop
Required for certification

ストップ/して とめて 停止して もういい もういいや もういいよ もういいです 黙れ 中止 中止して 終了/して/[Quantifier]止めて[DeviceLocation]での再生を止めて[DeviceLocation]の[DeviceBrand]での再生をストップ[DeviceBrand]の再生止めて[DeviceType]をとめて[AppName]を終了[Anaphor]止めて

The media stops, similar to pressing the Stop button on your web player or remote control.

Resume
Required for certification

再開して

The media resumes play, similar to pressing the Play button on your web player or remote control.

Start over
Required for certification

最初から始めて

The media starts over, adjusting the seek position back to the beginning of the media.

Fast Forward
Required for certification

[AppName]早送り[MediaType]を早送りして

The media fast-forwards 10 seconds.

Rewind
Required for certification

巻き戻して

[AppName]巻き戻して[MediaType]巻き戻し

[DeviceLocation]の[DeviceType]巻き戻し

The media rewinds 10 seconds.

Previous
Required for certification

The previous episode plays. If this isn't possible, the user is taken to whatever was earlier in the current playlist.

Next
Required for certification

次 スキップ 次に行って[DeviceLocation]で次に行って[DeviceLocation]の[DeviceBrand]で次に行って[LocationNonSpecificQuantity]で次を再生[Episode]を再生して[VideoName]の[Episode]を再生[DeviceBrand]で再生

The next episode plays. If this isn't possible, the user is taken to whatever is next in the current playlist.

Feature Sample Utterances Expected Response
Pause
Required for certification

pausar/interromper

The media pauses, similar to pressing the Pause button on your web player or remote control.

Play
Required for certification
tocar/assistir/reproduzir 

The media plays, similar to pressing the Play button on your web player or remote control.

Stop
Required for certification

parar

The media stops, similar to pressing the Stop button on your web player or remote control.

Resume
Required for certification

continuar/ continue/continua

The media resumes play, similar to pressing the Play button on your web player or remote control.

Start over
Required for certification

começar/começa/comece de novo

The media starts over, adjusting the seek position back to the beginning of the media.

Fast Forward
Required for certification

avançar/ ir para frente

The media fast-forwards 10 seconds.

Rewind
Required for certification

voltar/retroceder/rebobinar

The media rewinds 10 seconds.

Previous
Required for certification

The previous episode plays. If this isn't possible, the user is taken to whatever was earlier in the current playlist.

Next
Required for certification

próximo/próxima

The next episode plays. If this isn't possible, the user is taken to whatever is next in the current playlist.

Feature Sample Utterances Expected Response
Pause
Required for certification

pausa

The media pauses, similar to pressing the Pause button on your web player or remote control.

Play
Required for certification

pon

reproduce

The media plays, similar to pressing the Play button on your web player or remote control.

Stop
Required for certification

para

The media stops, similar to pressing the Stop button on your web player or remote control.

Resume
Required for certification

continúa

The media resumes play, similar to pressing the Play button on your web player or remote control.

Start over
Required for certification

empieza de nuevo

vuelve a empezar

comienza de nuevo

vuelve a iniciar

vuelve a comenzar

The media starts over, adjusting the seek position back to the beginning of the media.

Fast Forward
Required for certification

adelanta

The media fast-forwards 10 seconds.

Rewind
Required for certification

rebobina

The media rewinds 10 seconds.

Previous
Required for certification

anterior

The previous episode plays. If this isn't possible, the user is taken to whatever was earlier in the current playlist.

Next
Required for certification

siguiente

salta

muestra el siguiente

siguiente en el sonos

próxima en el jardín

The next episode plays. If this isn't possible, the user is taken to whatever is next in the current playlist.

As with other directives, when you receive a Discover directive, you must specify the PlaybackController capabilities that your video skill supports.

Handling PlaybackController Directives

There are several types of directives that the PlaybackController interface sends, each described in the following sections.

Request Example

EXTRA_DIRECTIVE_NAMESPACE: Alexa.PlaybackController
EXTRA_DIRECTIVE_NAME: <transport control command>
EXTRA_DIRECTIVE_PAYLOAD_VERSION: 3
EXTRA_DIRECTIVE_PAYLOAD: payload

payload does not contain anything:

"payload": {}

For <transport control command>, the value can be any of the following:

  • pause
  • play
  • stop
  • resume
  • rewind
  • fastForward
  • previous
  • next
  • startOver

payload contains an empty object: {}

{
  "directive": {
    "header": {
      "namespace": "Alexa.PlaybackController",
      "name": "<transport control command>",
      "messageId": "abc-123-def-456",
      "payloadVersion": "3"
    },
    "endpoint": {
      "scope": {
        "type": "BearerToken",
        "token": "access-token-from-skill"
      },
      "endpointId": "VSKTV",
      "cookie": {

      }
    },
    "payload": {}
  }
}

For <transport control command>, the value can be any of the following:

  • pause
  • play
  • stop
  • resume
  • rewind
  • fastForward
  • previous
  • next
  • startOver

payload contains an empty object: {}

Handling PlaybackController Directives

PlaybackController directives contain transport control commands used during media playback. Many of the actions are similar to the equivalent actions when a user would press the equivalent button on a remote control. The following sections provide the expected guidance for handling the various PlaybackController directives.

Pause Directives

pause should take the same action as if the user had pressed the Pause button on the remote.

Play Directives

play should take the same action as if the user had pressed the Play button on the remote.

Stop Directives

stop should request to stop playback of audio or video content.

Resume Directives

resume should take the same action as if the user had unpaused playback through their remote (that is, pressing the "play" button after having already paused playback earlier).

Next Directives

next should take the user to the next episode. If that's not possible, it should take the user to the next related video content that you choose to show the viewer (or whatever's next in the playlist you choose to use).

Previous Directives

previous should take the user to the previous episode. If that's not possible, it take the user to whatever was earlier in the playlist you choose to use.

Fast-Forward Directives

fastForward should fast-forward playback by 30 seconds. Do not take the user to a fast-forward screen with a slowly moving cursor as if they were fast-forwarding via the remote. Also, do not require the user to say "Alexa, play" after having already requested to fast-forward via voice. Users prefer to simply fast-forward 30 seconds and resume playback automatically when they use this command. If you want to fast-forward more, you can use the SeekController Directives.

Rewind Directives

rewind should rewind playback by 30 seconds. Do not take the user to a Rewind screen with a slowly moving cursor as if they were rewinding via the remote. Also, do not require the user to say "Alexa, play" after having already requested to rewind via voice. Users prefer to simply rewind 30 seconds and resume playback automatically when they use this command. If you want to rewind more, you can use the SeekController Directives.

StartOver Directives

startOver should start playback from the beginning of the audio or visual content.

Response Example

If your app handled the directive successfully, your BroadcastReceiver class should send a success intent back with a success status, like this:

if (response != null && sendResponse) {
  Intent success = new Intent().putExtra(VSKIntentConstants.EXTRA_DIRECTIVE_STATUS, didSucceed);
  try {
    response.send(context, 0, success);
  } catch(PendingIntent.CanceledException e) {
    //we probably took too long to respond, log error
  }
}

For more details, see Step 7: Add a Broadcast Receiver. Also see the AlexaDirectiveReceiver class in the sample app for a more specific code example.

Send a response back to Alexa when you receive a transport control directive from the PlaybackController interface.

{
 "context": {
   "properties": []
 },
 "event": {
   "header": {
     "messageId": "abc-123-def-456",
     "namespace": "Alexa",
     "name": "Response",
     "payloadVersion": "3"
   },
   "endpoint":{
      "endpointId":"VSKTV"
   },
   "payload":{ }
}
}

If you cannot complete the customer request for some reason, reply with an error. See Error Handling for more details.

Declaring Capability Support for this Interface

To receive PlaybackController directives in your app, you must indicate support for this interface when you declare your capabilities. See the following for more information on declaring capabilities with app-only integrations:

For Alexa to send PlaybackController directives to your Lambda, you must indicate support for it in your response to the Discover directive sent through the Alexa.Discovery interface. More details are provided in Alexa.Discovery.