SAP ABAP MESSAGE PROCEDURE documentation, setup help and example usage

ARTICLE

Messages in Procedures
In procedures , message handling complies with the context from which the procedure was called. Exceptions to this rule are arise when:

the addition RAISING is used in the statement MESSAGE

a message is handled when a function module is called using the predefined exception error_message

a function module is called using the RFC interface

Note
If a procedure is exited when a message is sent, the content of the formal parameters for which pass by value is defined is not assigned to the associated actual parameters.