[Home](./index.md) > [@snowplow/react-native-tracker](./react-native-tracker.md) > [EventStoreConfiguration](./react-native-tracker.eventstoreconfiguration.md) ## EventStoreConfiguration interface Configuration for the event store Signature: ```typescript export interface EventStoreConfiguration ``` ## Properties | Property | Type | Description | | --- | --- | --- | | [asyncStorage?](./react-native-tracker.eventstoreconfiguration.asyncstorage.md) | [AsyncStorage](./react-native-tracker.asyncstorage.md) | (Optional) The Async storage implementation. In environments where AsyncStorage is not available or where another kind of storage is used, you can provide a custom implementation. | | [maxEventStoreSize?](./react-native-tracker.eventstoreconfiguration.maxeventstoresize.md) | number | (Optional) The maximum amount of events that will be buffered in the event storeWill drop events once the limit is hit | | [useAsyncStorageForEventStore?](./react-native-tracker.eventstoreconfiguration.useasyncstorageforeventstore.md) | boolean | (Optional) Whether to use the AsyncStorage library as the persistent event store for the event store |