--- title: "sys.database_event_session_fields (Azure SQL Database) | Microsoft Docs" ms.custom: "" ms.date: "03/03/2017" ms.prod: sql ms.prod_service: "database-engine, sql-database" ms.reviewer: "" ms.technology: system-objects ms.topic: "language-reference" ms.assetid: 9b5c94d6-612c-4e0f-976d-ac6ba55da3ac author: MightyPen ms.author: genemi monikerRange: "=azuresqldb-current||>=sql-server-2016||=sqlallproducts-allversions||>=sql-server-linux-2017||=azuresqldb-mi-current" --- # sys.database_event_session_fields (Azure SQL Database) [!INCLUDE[tsql-appliesto-ss2016-asdb-xxxx-xxx-md](../../includes/tsql-appliesto-ss2016-asdb-xxxx-xxx-md.md)] Returns a row for each customizable column that was explicitly set on events and targets. || |-| |**Applies to**: [!INCLUDE[ssSDSfull](../../includes/sssdsfull-md.md)] V12 and any later versions.| |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 DATABASE STATE permission on the server. ## Remarks This view has the following relationship cardinalities. |||| |-|-|-| |From|To|Relationship| |sys.database_event_session_actions.event_session_id|sys.database_event_sessions.event_session_id|Many to one| |sys.database_event_session_actions.event_id

sys.database_event_session_actions.object_id

sys.database_event_session_actions.event_session_id|sys.database_event_session_events.event_session_id

sys.database_event_session_events.event_id|Many to one| |sys.database_event_session_actions.event_session_id

sys.database_event_session_actions.object_id|sys.database_event_session_targets.event_session_id

sys.database_event_session_targets.target_id|Many to one| ## See Also [Extended Events](../../relational-databases/extended-events/extended-events.md)