{ "$schema": "https://json-schema.org/draft/2020-12/schema", "$id": "https://raw.githubusercontent.com/api-evangelist/twilio/main/json-schema/twilio-list-composition-response-schema.json", "title": "ListCompositionResponse", "x-generated": "2026-10-08", "x-method": "derived", "x-generator": "derive-json-schema.py", "x-source": "openapi/twilio-compositions-api-openapi.yml#/components/schemas/ListCompositionResponse", "type": "object", "properties": { "compositions": { "type": "array", "items": { "$ref": "#/$defs/video.v1.composition" } }, "meta": { "type": "object", "properties": { "first_page_url": { "type": "string", "format": "uri" }, "next_page_url": { "type": [ "string", "null" ], "format": "uri" }, "page": { "type": "integer" }, "page_size": { "type": "integer" }, "previous_page_url": { "type": [ "string", "null" ], "format": "uri" }, "url": { "type": "string", "format": "uri" }, "key": { "type": "string" } } } }, "$defs": { "composition_enum_format": { "type": "string", "enum": [ "mp4", "webm" ] }, "composition_enum_status": { "type": "string", "enum": [ "enqueued", "processing", "completed", "deleted", "failed" ] }, "video.v1.composition": { "type": "object", "properties": { "account_sid": { "type": [ "string", "null" ], "minLength": 34, "maxLength": 34, "pattern": "^AC[0-9a-fA-F]{32}$", "description": "The SID of the [Account](https://www.twilio.com/docs/iam/api/account) that created the Composition resource." }, "status": { "type": [ "string", "null" ], "$ref": "#/$defs/composition_enum_status", "description": "The status of the composition. Can be: `enqueued`, `processing`, `completed`, `deleted` or `failed`. `enqueued` is the initial state and indicates that the composition request has been received and is scheduled for processing; `processing` indicates the composition is being processed; `completed` indicates the composition has been completed and is available for download; `deleted` means the composition media has been deleted from the system, but its metadata is still available for 30 days; `failed` indicates the composition failed to execute the media processing task." }, "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_completed": { "type": [ "string", "null" ], "format": "date-time", "description": "The date and time in GMT when the composition's media processing task finished, specified in [ISO 8601](https://en.wikipedia.org/wiki/ISO_8601) format." }, "date_deleted": { "type": [ "string", "null" ], "format": "date-time", "description": "The date and time in GMT when the composition generated media was deleted, specified in [ISO 8601](https://en.wikipedia.org/wiki/ISO_8601) format." }, "sid": { "type": [ "string", "null" ], "minLength": 34, "maxLength": 34, "pattern": "^CJ[0-9a-fA-F]{32}$", "description": "The unique string that we created to identify the Composition resource." }, "room_sid": { "type": [ "string", "null" ], "minLength": 34, "maxLength": 34, "pattern": "^RM[0-9a-fA-F]{32}$", "description": "The SID of the Group Room that generated the audio and video tracks used in the composition. All media sources included in a composition must belong to the same Group Room." }, "audio_sources": { "type": [ "array", "null" ], "items": { "type": "string" }, "description": "The array of track names to include in the composition. The composition 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`.", "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 composition. The composition 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": "An object that describes the video layout of the composition in terms of regions. See [Specifying Video Layouts](https://www.twilio.com/docs/video/api/compositions-resource#specifying-video-layouts) for more info.", "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 to remove intervals with no media, as specified in the POST request that created the composition. 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_enum_format", "description": "The container format of the composition's media files as specified in the POST request that created the Composition resource. See [POST Parameters](https://www.twilio.com/docs/video/api/compositions-resource#http-post-parameters) for more information." }, "bitrate": { "type": [ "integer", "null" ], "description": "The average bit rate of the composition's media." }, "size": { "type": [ "integer", "null" ], "format": "int64", "description": "The size of the composed media file in bytes." }, "duration": { "type": [ "integer", "null" ], "description": "The duration of the composition's media file in seconds." }, "media_external_location": { "type": [ "string", "null" ], "format": "uri", "description": "The URL of the media file associated with the composition when stored externally. See [External S3 Compositions](/docs/video/api/external-s3-compositions) for more details." }, "status_callback": { "type": [ "string", "null" ], "format": "uri", "description": "The URL called using the `status_callback_method` to send status information on every composition event." }, "status_callback_method": { "type": [ "string", "null" ], "format": "http-method", "enum": [ "HEAD", "GET", "POST", "PATCH", "PUT", "DELETE" ], "description": "The HTTP method used to call `status_callback`. Can be: `POST` or `GET`, defaults to `POST`." }, "url": { "type": [ "string", "null" ], "format": "uri", "description": "The absolute URL of the resource." }, "links": { "type": [ "object", "null" ], "format": "uri-map", "description": "The URL of the media file associated with the composition." } } } } }