API Reference > bentleyjs-core > Logging > Logger > registerMetaDataSource registerMetaDataSource MethodStatic Beta Register a metadata source to the logger. Source should be in the form of a callback function that adds properties to a metadata object. registerMetaDataSource(callback: (metadata: any) => void): boolean Parameter Type Description callback (metadata: any) => void Returns - boolean Defined in core/bentley/src/Logger.ts Line 119 Last Updated: 29 November, 2022