Sequencer (APL for Audio)

Note: Learn how to improve your skills with APL with Build visually rich experiences using APL at the Alexa Learning Lab.

A Sequencer component plays a series of audio clips one after another. You define these audio clips using APL components. For example a Sequencer with a Speech component and an Audio component plays the text-to-speech defined by the Speech component, followed by the audio file defined by the Audio component.

Properties

Sequencer is a multiple-child component. Sequencer has the follow properties:

The base component properties
The multiple child component properties.

Sequencer doesn't have any component-specific properties.

The child components of a Sequencer play back in array order.

Example

In the following example, the user hears Alexa say "Hello world! What time is it?".

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{
  "type": "Sequencer",
  "items": [
    {
      "type": "Speech",
      "contentType": "PlainText",
      "content": "Hello world!"
    },
    {
      "type": "Speech",
      "contentType": "PlainText",
      "content": "What time is it?"
    }
  ]
}

Last updated: Jul 15, 2021