[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Cast](./puppeteer.protocol.cast.md) > [StartTabMirroringRequest](./puppeteer.protocol.cast.starttabmirroringrequest.md) ## Protocol.Cast.StartTabMirroringRequest interface Signature: ```typescript export interface StartTabMirroringRequest ``` ## Properties | Property | Type | Description | | --- | --- | --- | | [sinkName](./puppeteer.protocol.cast.starttabmirroringrequest.sinkname.md) | string | |