Different parameters in Function Modules and Explain in SAP ABAP.

What are the different parameters in Function Modules and Explain about them?

Different parameters in Function Modules and Explain in SAP ABAP. 

Ans:    Following are the different types of Parameters in Function Modules

Ø  Attributes:

It contains technical properties of a function module such are type of function module, function group.

Ø  Import parameters :

      They are imported from the calling program to the function module.

Ø  Export parameters:

                                These are used to exported the data from the function module to the calling                                      programs.

Ø  Changing parameters:

These are imported from the calling program, changed them in the function modules & exported/returned to the calling program. (Import -> Change -> Export)

Ø  Tables:

These can be used to import & export only for internal tables.

Ø  Exceptions:

They are used to raise/handle the messages in the function module based on return code (SY-SUBRC).

Ø  Source code: It is used to write central ABAP source code.