[Home](./index.md) > [sip.js](./sip.js.md) > [OutgoingRequestMessage](./sip.js.outgoingrequestmessage.md) > [(constructor)](./sip.js.outgoingrequestmessage._constructor_.md) ## OutgoingRequestMessage.(constructor) Constructs a new instance of the `OutgoingRequestMessage` class Signature: ```typescript constructor(method: string, ruri: URI, fromURI: URI, toURI: URI, options?: OutgoingRequestMessageOptions, extraHeaders?: Array, body?: Body); ``` ## Parameters | Parameter | Type | Description | | --- | --- | --- | | method | string | | | ruri | URI | | | fromURI | URI | | | toURI | URI | | | options | OutgoingRequestMessageOptions | | | extraHeaders | Array<string> | | | body | Body | |