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sys.dm_xe_objects (Transact-SQL)

Returns a row for each object that is exposed by an event package. Objects can be one of the following:

  • Events. Events indicate points of interest in an execution path. All events contain information about a point of interest.

  • Actions. Actions are run synchronously when events fire. An action can append run time data to an event.

  • Targets. Targets consume events, either synchronously on the thread that fires the event or asynchronously on a system-provided thread.

  • Predicates. Predicate sources retrieve values from event sources for use in comparison operations. Predicate comparisons compare specific data types and return a Boolean value.

  • Types. Types encapsulate the length and characteristics of the byte collection, which is required in order to interpret the data.

Column name

Data type

Description

name

nvarchar(60)

The name of the object. name is unique within a package for a specific object type. Is not nullable.

object_type

nvarchar(60)

The type of the object. object_type is one of the following:

  • event

  • action

  • target

  • pred_source

  • pred_compare

  • type

Is not nullable.

package_guid

uniqueidentifier

The GUID for the package that exposes this action. There is a many-to-one relationship with sys.dm_xe_packages.package_id. Is not nullable.

description

nvarchar(256)

A description of the action. description is set by the package author. Is not nullable.

capabilities

int

A bitmap that describes the capabilities of the object. Is nullable.

capabilities_desc

nvarchar(256)

Lists all the capabilities of the object. Is nullable.

type_name

nvarchar(60)

The name for pred_source and pred_compare objects. Is nullable.

type_package_guid

uniqueidentifier

The GUID for the package that exposes the type that this object operates on. Is nullable.

type_size

int

The size, in bytes, of the data type. This is only for valid object types. Is nullable.

Requires VIEW SERVER STATE permission on the server.

Relationship Cardinalities

From

To

Relationship

sys.dm_xe_objects.package_guid

sys.dm_xe_packages.guid

Many-to-one

Updated content

Corrected the description for the capabilities column to indicate that the value is nullable.

Updated the "Relationship Cardinalities" table with the correct column names.

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