[Home](./index.md) > [sip.js](./sip.js.md) > [OutgoingRequestMessage](./sip.js.outgoingrequestmessage.md) > [getHeader](./sip.js.outgoingrequestmessage.getheader.md) ## OutgoingRequestMessage.getHeader() method Get the value of the given header name at the given position. Signature: ```typescript getHeader(name: string): string | undefined; ``` ## Parameters | Parameter | Type | Description | | --- | --- | --- | | name | string | header name | Returns: `string | undefined` Returns the specified header, undefined if header doesn't exist.