# [[guc:synchronous_standby_names]]

> Selects standbys that can satisfy synchronous commit.
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Selects standbys that can satisfy synchronous commit.

[Official PostgreSQL 18 parameter reference](https://www.postgresql.org/docs/18/runtime-config.html#GUC-SYNCHRONOUS-STANDBY-NAMES)

## Referenced by wait events {#wait-events}

- [IPC/LogicalSyncData](/ipc/logical-sync-data/)
- [IPC/LogicalSyncStateChange](/ipc/logical-sync-state-change/)
- [IPC/SyncRep](/ipc/sync-rep/)
- [LWLock/SyncRep](/lwlock/sync-rep/)