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UserDefinedFunction Class

The UserDefinedFunction object represents a Microsoft SQL Server user-defined function.

Namespace: Microsoft.SqlServer.Management.Smo
Assembly: Microsoft.SqlServer.Smo (in microsoft.sqlserver.smo.dll)

public sealed class UserDefinedFunction : ScriptSchemaObjectBase, ICreatable, IAlterable, IRenamable, 
	IDroppable, IExtendedProperties, IScriptable, ITextObject, IColumnPermission, 
	IObjectPermission
public final class UserDefinedFunction extends ScriptSchemaObjectBase implements ICreatable, IAlterable, 
	IRenamable, IDroppable, IExtendedProperties, IScriptable, ITextObject, 
	IColumnPermission, IObjectPermission
public final class UserDefinedFunction extends ScriptSchemaObjectBase implements ICreatable, IAlterable, 
	IRenamable, IDroppable, IExtendedProperties, IScriptable, ITextObject, 
	IColumnPermission, IObjectPermission

The UserDefinedFunction object provides functionality that allows users to programmatically manage functions.

This namespace, class, or member is supported only in version 2.0 of the Microsoft .NET Framework.

To get UserDefinedFunction object properties, users can be a member of the public fixed server role.

To set UserDefinedFunction object properties, users must have ALTER permission on the user-defined function.

To create a user-defined function, users must have CREATE FUNCTION permission on the database and ALTER permission on the specified schema.

To drop a user-defined function, users must have CONTROL permission on the user-defined function and ALTER permission on the specified schema.

To grant, deny, or revoke permissions on the user-defined function to other users, users must have CONTROL permission on the user-defined function.


Any public static (Shared in Microsoft Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

Development Platforms

For a list of the supported platforms, see Hardware and Software Requirements for Installing SQL Server 2005.

Target Platforms

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