## 52.21. `pg_event_trigger`
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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
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`](catalog-pg-authid.html).`oid`)
Owner of the event trigger |
| `evtfoid` `oid` (references [`pg_proc`](catalog-pg-proc.html).`oid`)
The function to be called |
|`evtenabled` `char`
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[]`
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. |