## 51.21. `pg_event_trigger`

The catalog `pg_event_trigger` stores event triggers. See Chapter 39 for more information.

Table 51.21. `pg_event_trigger` Columns

Column Type Description
`oid` `oid` Row identifier
`evtname` `name` Trigger name (must be unique)
`evtevent` `name` Identifies the event for which this trigger fires
`evtowner` `oid` (references `pg_authid`.`oid`) Owner of the event trigger
`evtfoid` `oid` (references `pg_proc`.`oid`) The function to be called
`evtenabled` `char` Controls in which 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[]` 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.