[null,null,["最后更新时间 (UTC):2025-07-25。"],[],[],null,["# Interface LayoutModel\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\nLayout model for the video assignment.\n\nSignature\n---------\n\n declare interface LayoutModel\n\nProperty signatures\n-------------------\n\n| Name | Description |\n|---------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| [`canvases`](./media_api.layoutmodel.canvases.md) | Canvases to assign videos to virtual SSRCs. Providing more canvases than exists virtual streams will result in an error status. Virtual video SSRCs are allocated during initialization of the client and the number of virtual SSRCs is fixed to the initial number of requested video streams. |\n| [`label`](./media_api.layoutmodel.label.md) | Label of the layout model. This is used to identify the layout model when requesting video assignment. |"]]