[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Page](./puppeteer.protocol.page.md) > [FrameStartedLoadingEvent](./puppeteer.protocol.page.framestartedloadingevent.md) ## Protocol.Page.FrameStartedLoadingEvent interface Fired when frame has started loading. Signature: ```typescript export interface FrameStartedLoadingEvent ``` ## Properties | Property | Type | Description | | --- | --- | --- | | [frameId](./puppeteer.protocol.page.framestartedloadingevent.frameid.md) | [FrameId](./puppeteer.protocol.page.frameid.md) | Id of the frame that has started loading. |