## 52.21. `pg_event_trigger`[]() The catalog `pg_event_trigger` stores event triggers. See [Chapter 40](event-triggers.html) for more information.**Table 52.21. `pg_event_trigger` Columns**| Column Type<br/><br/> Description ||---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|| `oid``oid`<br/><br/> Row identifier || `evtname``name`<br/><br/> Trigger name (must be unique) || `evtevent``name`<br/><br/> Identifies the event for which this trigger fires || `evtowner``oid` (references [`pg_authid`](catalog-pg-authid.html).`oid`)<br/><br/> Owner of the event trigger || `evtfoid``oid` (references [`pg_proc`](catalog-pg-proc.html).`oid`)<br/><br/> The function to be called ||`evtenabled``char`<br/><br/> Controls in which [session\_replication\_role](runtime-config-client.html#GUC-SESSION-REPLICATION-ROLE) modes the event trigger fires. `O` = trigger fires in “origin” and “local” modes, `D` = trigger is disabled, `R` = trigger fires in “replica” mode, `A` = trigger fires always.|| `evttags``text[]`<br/><br/> Command tags for which this trigger will fire. If NULL, the firing of this trigger is not restricted on the basis of the command tag. |
