{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$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"
      ]
    }
  }
}