How to test a function module?

Question

how to test a function module?

Answer 1

hi there,
ur query is quite old and i think some1 may hav answers it but still i feel this might help you if ur query is still  unanswered.
its a total description of  how to create a fuction module and executre the same
its a simple example and might help you to understand  what and how the things are happening.
see this might be of some help.
to create function module you have to create a a function group.
and then you create function module.
in function module you have to give IMPORT , EXPORT PARAMETER and EXCEPTION.
and also the SOURCE CODE without which the function module will be sytaxtically correct but you will get processing error.
here is the procedure of creating Function Group and Function Module
FOR Group
goto SE37
move to GOTO and the to function groups and create .
just fill the fields poped up.
FOR Module
now in the se37 screen put the name of the function module you want to create and press create .
there will be a pop asking for function group name now here put you function group name which you have created.
now after pressing save you will have a screen in which you have to enter the import, export,exception and the source code.
in import parameter you can put this(for example)
parameter type associate type
num1 type i
num2 type i
export parameter
parameter type associate type
res type i
exception
parameter type associate type
not a valid entry.
source code
res = num1+num2.
if num1 eq 0
raise not a valid entry.
end if
save activate .
and exicute(press8)
award pionts only if helpful
anuj