[Home](./index.md) > [sip.js](./sip.js.md) > [Logger](./sip.js.logger.md) > [(constructor)](./sip.js.logger._constructor_.md) ## Logger.(constructor) Constructs a new instance of the `Logger` class Signature: ```typescript constructor(logger: LoggerFactory, category: string, label?: string); ``` ## Parameters | Parameter | Type | Description | | --- | --- | --- | | logger | LoggerFactory | | | category | string | | | label | string | |