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
   
  
| Name | Type | References | Description | 
|---|---|---|---|
| 
        evtname
        | 
        name
        | Trigger name (must be unique) | |
| 
        evtevent
        | 
        name
        | Identifies the event for which this trigger fires | |
| 
        evtowner
        | 
        oid
        | 
        
          | Owner of the event trigger | 
| 
        evtfoid
        | 
        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. |