[Home](./index.md) > [@firebase/database](./database.md) > [enableLogging](./database.enablelogging_1.md) ## enableLogging() function Logs debugging information to the console. Signature: ```typescript export declare function enableLogging(logger: (message: string) => unknown): any; ``` ## Parameters | Parameter | Type | Description | | --- | --- | --- | | logger | (message: string) => unknown | A custom logger function to control how things get logged. | Returns: any