# [−] [src] Trait sync::SyncListener

    pub trait SyncListener: Send + 'static {
        fn synchronization_state_switched(&self, is_synchronizing: bool);
        fn best_storage_block_inserted(&self, block_hash: &H256);
    }

Synchronization events listener

## Required Methods

### `fn synchronization_state_switched(&self, is_synchronizing: bool)`

Called when node switches to synchronization state

### `fn best_storage_block_inserted(&self, block_hash: &H256)`

Called when new best storage block is inserted

## Implementors

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