---
title: "pg_event_trigger"
id: catalog-pg-event-trigger
pg_version: "20devel"
---

<a id="catalog-pg-event-trigger"></a>

## 52.21. pg_event_trigger

The catalog pg_event_trigger stores event triggers. See [Chapter 38](event-triggers.md) for more information. 

**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.md).`oid`) | Owner of the event trigger |
| `evtfoid` `oid` (references [pg_proc](catalog-pg-proc.md).`oid`) | The function to be called |
| `evtenabled` `char` | Controls in which [`session_replication_role` (`enum`)](runtime-config-client.md#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. |