52.21. pg_event_trigger #
 The catalog pg_event_trigger stores event triggers. See Chapter 38 for more information. 
Table 52.21. pg_event_trigger Columns
| Column Type Description | 
|---|
| 
 Row identifier | 
| 
 Trigger name (must be unique) | 
| 
 Identifies the event for which this trigger fires | 
| 
 Owner of the event trigger | 
| 
 The function to be called | 
| 
  Controls in which session_replication_role modes the event trigger fires.  | 
| 
 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. |