[Home](./index.md) > [@snowplow/react-native-tracker](./react-native-tracker.md) > [TrackerConfiguration](./react-native-tracker.trackerconfiguration.md) ## TrackerConfiguration interface The configuration object for initialising the tracker Signature: ```typescript export interface TrackerConfiguration ``` ## Properties | Property | Type | Description | | --- | --- | --- | | [appId?](./react-native-tracker.trackerconfiguration.appid.md) | string | (Optional) The application ID | | [devicePlatform?](./react-native-tracker.trackerconfiguration.deviceplatform.md) | Platform | (Optional) The device platform the tracker runs on. | | [encodeBase64?](./react-native-tracker.trackerconfiguration.encodebase64.md) | boolean | (Optional) Whether unstructured events and custom contexts should be base64 encoded. | | [namespace](./react-native-tracker.trackerconfiguration.namespace.md) | string | The namespace of the tracker | | [plugins?](./react-native-tracker.trackerconfiguration.plugins.md) | BrowserPlugin\[\] | (Optional) Inject plugins which will be evaluated for each event |