[Home](./index.md) > [puppeteer](./puppeteer.md) > [Page](./puppeteer.page.md) > [\_buildMetricsObject](./puppeteer.page._buildmetricsobject.md) ## Page.\_buildMetricsObject() method Signature: ```typescript _buildMetricsObject(metrics?: Protocol.Performance.Metric[]): Metrics; ``` ## Parameters | Parameter | Type | Description | | --- | --- | --- | | metrics | Protocol.Performance.Metric\[\] | | Returns: Metrics