Creation of Events via Message Control 
Use
One of the options for customer-specific creation of events is fully integrated in Message Control. For this, you must create a separate output type and declare 9 (workflow event) as transmission medium.
Prerequisites
This function is not available in a separated Basis system.
Features
Message Control is used for the exchange of information between different partners.
Delivery system
EVEN
("trigger event") has been created as output type.The program
RVNSWE01 with the form routine CREATE_EVENT is the standard processing program for sending the message.The event ID and the object type that characterize the event created are assigned to a message application in the table
NAST .For further information, refer to the documentation
Message Control.