--- sidebar_label: Page.setUserAgent --- # Page.setUserAgent() method #### Signature: ```typescript class Page { abstract setUserAgent( userAgent: string, userAgentMetadata?: Protocol.Emulation.UserAgentMetadata ): Promise<void>; } ``` ## Parameters <table><thead><tr><th> Parameter </th><th> Type </th><th> Description </th></tr></thead> <tbody><tr><td> userAgent </td><td> string </td><td> Specific user agent to use in this page </td></tr> <tr><td> userAgentMetadata </td><td> Protocol.Emulation.UserAgentMetadata </td><td> _(Optional)_ </td></tr> </tbody></table> **Returns:** Promise<void> Promise which resolves when the user agent is set.