Is it possible to define a fnc module inside my ABAP code.

If yes then please let me know how?
The main program of the function "xyz" does not begin
with "FUNCTION-POOL". The above error is always thrown, if i try to
define a function in my abap code.
Currently I presume it is not possible to define FM here.
Can anyone tell me What function pools are? and the difference between function groups and function pools
Points will be rewarded.

Hi Vinod,
I think the program the you are creating is a REPORT program. And you want to create a Function module for which as I told you need to create a Function Group. A Function Group is also a program similar to a REPORT program. So you cannot create a FUNCTION GROUP inside a REPORT program. What you need to do is goto SE80, there in the dropdown select Function Group and give a name to it and then using forward navigation you can create Function Group, Once you created the Function group you can create function module using Se37 or in SE80 itself. Then in your report program using CALL FUNCTION to call this function module you created.
Regards,
Sesh

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