Feature Only in Enterprise Editions Using the Extended Stored Procedure Wizard to create an extended stored procedure is supported only in Visual C++ Enterprise Editions. For more information, see Visual C++ Editions.
One way you can call the new extended stored procedure is from an SQL script file.
To call an extended stored procedure
EXEC xp_MyXp
If the extended stored procedure produces any output, you can view the output in the Results pane.
Note SQL Server does not perform parameter checking on extended stored procedures. It is up to the caller of the extended stored procedure to know the required parameters and then pass them accordingly.