[Home](./index.md) > [@snowplow/react-native-tracker](./react-native-tracker.md) > [AppLifecycleConfiguration](./react-native-tracker.applifecycleconfiguration.md) > [appVersion](./react-native-tracker.applifecycleconfiguration.appversion.md) ## AppLifecycleConfiguration.appVersion property Version number of the application e.g 1.1.0 (semver or git commit hash). Entity schema if `appBuild` property is set: `iglu:com.snowplowanalytics.mobile/application/jsonschema/1-0-0` Entity schema if `appBuild` property is not set: `iglu:com.snowplowanalytics.snowplow/application/jsonschema/1-0-0` Signature: ```typescript appVersion?: string; ```