[android-components](../../index.md) / [mozilla.components.service.fxa](../index.md) / [FxaDeviceConstellation](index.md) / [startPeriodicRefresh](./start-periodic-refresh.md)

# startPeriodicRefresh

`fun startPeriodicRefresh(): `[`Unit`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-unit/index.html) [(source)](https://github.com/mozilla-mobile/android-components/blob/master/components/service/firefox-accounts/src/main/java/mozilla/components/service/fxa/FxaDeviceConstellation.kt#L178)

Overrides [DeviceConstellation.startPeriodicRefresh](../../mozilla.components.concept.sync/-device-constellation/start-periodic-refresh.md)

Begin periodically refreshing constellation state, including polling for events.

