--- sidebar_label: Tracing.start --- # Tracing.start() method Starts a trace for the current page. #### Signature: ```typescript class Tracing { start(options?: TracingOptions): Promise<void>; } ``` ## Parameters | Parameter | Type | Description | | --------- | ----------------------------------------------- | -------------------------------------------------- | | options | [TracingOptions](./puppeteer.tracingoptions.md) | _(Optional)_ Optional <code>TracingOptions</code>. | **Returns:** Promise<void> ## Remarks Only one trace can be active at a time per browser.