[zcash-android-wallet-sdk](../../index.md) / [cash.z.wallet.sdk.data](../index.md) / [Synchronizer](index.md) / [start](./start.md) # start `abstract fun start(parentScope: CoroutineScope): `[`Synchronizer`](index.md) Starts this synchronizer within the given scope. ### Parameters `parentScope` - the scope to use for this synchronizer, typically something with a lifecycle such as an Activity. Implementations should leverage structured concurrency and cancel all jobs when this scope completes.