[null,null,["最后更新时间 (UTC):2025-07-25。"],[],[],null,["# Interface MediaApiCanvas\n\n| **Developer Preview:** Available as part of the [Google Workspace Developer Preview Program](https://developers.google.com/workspace/preview), which grants early access to certain features. \n|\n| **To use the Meet Media API to access real-time media from a conference, the Google Cloud project, OAuth principal, and all participants in the conference must be enrolled in the Developer Preview Program.**\n\nVideo canvas for video assignment.\n\nSignature\n---------\n\n declare interface MediaApiCanvas\n\nProperty signatures\n-------------------\n\n| Name | Description |\n|----------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| [`dimensions`](./media_api.mediaapicanvas.dimensions.md) | Dimensions of the canvas. |\n| [`id`](./media_api.mediaapicanvas.id.md) | ID for the video canvas. This is required and must be unique within the containing layout model. Clients should prudently reuse these IDs, as this allows the backend to keep assigning video streams to the same canvas as much as possible. |\n| [`relevant`](./media_api.mediaapicanvas.relevant.md) | Tells the server to choose the best video stream for this canvas. This is the only supported mode for now. |"]]