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title: "sys.server_event_session_fields (Transact-SQL) | Microsoft Docs"
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# sys.server_event_session_fields (Transact-SQL)
[!INCLUDE[tsql-appliesto-ss2008-xxxx-xxxx-xxx_md](../../includes/tsql-appliesto-ss2008-xxxx-xxxx-xxx-md.md)]

  Returns a row for each customizable column that was explicitly set on events and targets.  
  
||  
|-|  
|**Applies to**: [!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)] ([!INCLUDE[ssKatmai](../../includes/sskatmai-md.md)] through [current version](http://go.microsoft.com/fwlink/p/?LinkId=299658)).|  
  
|Column name|Data type|Description|  
|-----------------|---------------|-----------------|  
|event_session_id|**int**|The ID of the event session. Is not nullable.|  
|object_id|**int**|The ID of the object this field is associated with. Is not nullable.|  
|name|**sysname**|The name of the field. Is not nullable.|  
|value|**sql_variant**|The value of the field. Is not nullable.|  
  
## Permissions  
 Requires VIEW SERVER STATE permission on the server.  
  
## Remarks  
 This view has the following relationship cardinalities.  
  
||||  
|-|-|-|  
|From|To|Relationship|  
|sys.server_event_session_actions.event_session_id|sys.server_event_sessions.event_session_id|Many to one|  
|sys.server_event_session_actions.event_id<br /><br /> sys.server_event_session_actions.object_id<br /><br /> sys.server_event_session_actions.event_session_id|sys.server_event_session_events.event_session_id<br /><br /> sys.server_event_session_events.event_id|Many to one|  
|sys.server_event_session_actions.event_session_id<br /><br /> sys.server_event_session_actions.object_id|sys.server_event_session_targets.event_session_id<br /><br /> sys.server_event_session_targets.target_id|Many to one|  
  
## See Also  
 [Catalog Views &#40;Transact-SQL&#41;](../../relational-databases/system-catalog-views/catalog-views-transact-sql.md)   
 [Extended Events Catalog Views &#40;Transact-SQL&#41;](../../relational-databases/system-catalog-views/extended-events-catalog-views-transact-sql.md)   
 [Extended Events](../../relational-databases/extended-events/extended-events.md)