[Home](./index.md) > [@snowplow/react-native-tracker](./react-native-tracker.md) > [PlatformContextConfiguration](./react-native-tracker.platformcontextconfiguration.md) > [platformContextRetriever](./react-native-tracker.platformcontextconfiguration.platformcontextretriever.md) ## PlatformContextConfiguration.platformContextRetriever property Set of callbacks to be used to retrieve properties of the platform context. Overrides the tracker implementation for setting the properties. Signature: ```typescript platformContextRetriever?: PlatformContextRetriever; ```