Twilio · Schema

video.v1.composition_hook

AuthenticationCommunicationsContact CenterEmailIoTMessagingPhoneSMST1VerificationVideoVoiceTwilioTelecommunicationsReal-TimeWhatsApp

Properties

Name Type Description
account_sid stringnull The SID of the [Account](https://www.twilio.com/docs/iam/api/account) that created the CompositionHook resource.
friendly_name stringnull The string that you assigned to describe the resource. Can be up to 100 characters long and must be unique within the account.
enabled booleannull Whether the CompositionHook is active. When `true`, the CompositionHook is triggered for every completed Group Room on the account. When `false`, the CompositionHook is never triggered.
date_created stringnull The date and time in GMT when the resource was created specified in [ISO 8601](https://en.wikipedia.org/wiki/ISO_8601) format.
date_updated stringnull The date and time in GMT when the resource was last updated specified in [ISO 8601](https://en.wikipedia.org/wiki/ISO_8601) format.
sid stringnull The unique string that we created to identify the CompositionHook resource.
audio_sources arraynull The array of track names to include in the compositions created by the composition hook. A composition triggered by the composition hook includes all audio sources specified in `audio_sources` except
audio_sources_excluded arraynull The array of track names to exclude from the compositions created by the composition hook. A composition triggered by the composition hook includes all audio sources specified in `audio_sources` excep
video_layout object A JSON object that describes the video layout of the composition in terms of regions as specified in the HTTP POST request that created the CompositionHook resource. See [POST Parameters](https://www.
resolution stringnull The dimensions of the video image in pixels expressed as columns (width) and rows (height). The string's format is `{width}x{height}`, such as `640x480`.
trim booleannull Whether intervals with no media are clipped, as specified in the POST request that created the CompositionHook resource. Compositions with `trim` enabled are shorter when the Room is created and no Pa
format stringnull The container format of the media files used by the compositions created by the composition hook. If `mp4` or `webm`, `audio_sources` must have one or more tracks and/or a `video_layout` element must
status_callback stringnull The URL we call using the `status_callback_method` to send status information to your application.
status_callback_method stringnull The HTTP method we should use to call `status_callback`. Can be `POST` or `GET` and defaults to `POST`.
url stringnull The absolute URL of the resource.
View JSON Schema on GitHub

JSON Schema

twilio-video-v1-composition-hook-schema.json Raw ↑
{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/twilio/main/json-schema/twilio-video-v1-composition-hook-schema.json",
  "title": "video.v1.composition_hook",
  "x-generated": "2026-10-08",
  "x-method": "derived",
  "x-generator": "derive-json-schema.py",
  "x-source": "openapi/twilio-composition-hooks-api-openapi.yml#/components/schemas/video.v1.composition_hook",
  "type": "object",
  "properties": {
    "account_sid": {
      "type": [
        "string",
        "null"
      ],
      "minLength": 34,
      "maxLength": 34,
      "pattern": "^AC[0-9a-fA-F]{32}$",
      "description": "The SID of the [Account](https://www.twilio.com/docs/iam/api/account) that created the CompositionHook resource."
    },
    "friendly_name": {
      "type": [
        "string",
        "null"
      ],
      "description": "The string that you assigned to describe the resource. Can be up to 100 characters long and must be unique within the account."
    },
    "enabled": {
      "type": [
        "boolean",
        "null"
      ],
      "description": "Whether the CompositionHook is active. When `true`, the CompositionHook is triggered for every completed Group Room on the account. When `false`, the CompositionHook is never triggered."
    },
    "date_created": {
      "type": [
        "string",
        "null"
      ],
      "format": "date-time",
      "description": "The date and time in GMT when the resource was created specified in [ISO 8601](https://en.wikipedia.org/wiki/ISO_8601) format."
    },
    "date_updated": {
      "type": [
        "string",
        "null"
      ],
      "format": "date-time",
      "description": "The date and time in GMT when the resource was last updated specified in [ISO 8601](https://en.wikipedia.org/wiki/ISO_8601) format."
    },
    "sid": {
      "type": [
        "string",
        "null"
      ],
      "minLength": 34,
      "maxLength": 34,
      "pattern": "^HK[0-9a-fA-F]{32}$",
      "description": "The unique string that we created to identify the CompositionHook resource."
    },
    "audio_sources": {
      "type": [
        "array",
        "null"
      ],
      "items": {
        "type": "string"
      },
      "description": "The array of track names to include in the compositions created by the composition hook. A composition triggered by the composition hook includes all audio sources specified in `audio_sources` except those specified in `audio_sources_excluded`. The track names in this property can include an asterisk as a wild card character, which matches zero or more characters in a track name. For example, `student*` includes tracks named `student` as well as `studentTeam`. Please, be aware that either video_layout or audio_sources have to be provided to get a valid creation request",
      "x-twilio": {
        "pii": {
          "handling": "standard",
          "deleteSla": 30
        }
      }
    },
    "audio_sources_excluded": {
      "type": [
        "array",
        "null"
      ],
      "items": {
        "type": "string"
      },
      "description": "The array of track names to exclude from the compositions created by the composition hook. A composition triggered by the composition hook includes all audio sources specified in `audio_sources` except for those specified in `audio_sources_excluded`. The track names in this property can include an asterisk as a wild card character, which matches zero or more characters in a track name. For example, `student*` excludes `student` as well as `studentTeam`. This parameter can also be empty.",
      "x-twilio": {
        "pii": {
          "handling": "standard",
          "deleteSla": 30
        }
      }
    },
    "video_layout": {
      "description": "A JSON object that describes the video layout of the composition in terms of regions as specified in the HTTP POST request that created the CompositionHook resource. See [POST Parameters](https://www.twilio.com/docs/video/api/compositions-resource#http-post-parameters) for more information. Please, be aware that either video_layout or audio_sources have to be provided to get a valid creation request",
      "x-twilio": {
        "pii": {
          "handling": "standard",
          "deleteSla": 30
        }
      }
    },
    "resolution": {
      "type": [
        "string",
        "null"
      ],
      "description": "The dimensions of the video image in pixels expressed as columns (width) and rows (height). The string's format is `{width}x{height}`, such as `640x480`."
    },
    "trim": {
      "type": [
        "boolean",
        "null"
      ],
      "description": "Whether intervals with no media are clipped, as specified in the POST request that created the CompositionHook resource. Compositions with `trim` enabled are shorter when the Room is created and no Participant joins for a while as well as if all the Participants leave the room and join later, because those gaps will be removed. See [Specifying Video Layouts](https://www.twilio.com/docs/video/api/compositions-resource#specifying-video-layouts) for more info."
    },
    "format": {
      "type": [
        "string",
        "null"
      ],
      "$ref": "#/$defs/composition_hook_enum_format",
      "description": "The container format of the media files used by the compositions created by the composition hook. If `mp4` or `webm`, `audio_sources` must have one or more tracks and/or a `video_layout` element must contain a valid `video_sources` list, otherwise an error occurs."
    },
    "status_callback": {
      "type": [
        "string",
        "null"
      ],
      "format": "uri",
      "description": "The URL we call using the `status_callback_method` to send status information to your application."
    },
    "status_callback_method": {
      "type": [
        "string",
        "null"
      ],
      "format": "http-method",
      "enum": [
        "HEAD",
        "GET",
        "POST",
        "PATCH",
        "PUT",
        "DELETE"
      ],
      "description": "The HTTP method we should use to call `status_callback`. Can be `POST` or `GET` and defaults to `POST`."
    },
    "url": {
      "type": [
        "string",
        "null"
      ],
      "format": "uri",
      "description": "The absolute URL of the resource."
    }
  },
  "$defs": {
    "composition_hook_enum_format": {
      "type": "string",
      "enum": [
        "mp4",
        "webm"
      ]
    }
  }
}

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