This document provides instructions for creating a function module in SAP ABAP using transaction code SE37. It describes how to first create a function group using the menu bar in SE37, then create a function module for that group on the main screen. Parameters such as import, export, changing, and tables can be added and code can be written under the source code tab to complete the function module. Screenshots illustrate the process of creating a function group and module as well as adding parameters.

1. Essential
SAP ABAP Tutorial
Creating a Function Module
By Jason Thom
1 Copyrighted 2012 by LeverX, Inc.

2. Tutorial Overview
 Creation of a function module begins at transaction SE37 or SE80
 SE37 is designed to create a function module while giving the option to
create a function group
 SE80 is for advanced users and can create and view many other objects
 I will describe the use of transaction code SE37 in this presentation
 First, you need to create a function group using the menu bar. Then you
need to create the function module for the function group using the main
screen. To complete the process, the user can use the import, export,
changing, or tables parameters and enter the main code under the source
code tab.
2 Copyrighted 2012 by LeverX, Inc.

3. Using Transaction code SE37
 Type in tcode SE37 in the shortcut text field and press enter or the
green check mark
 Select ‘Goto’ -> Function Groups -> Create Group
 Enter a function group and short text, then if you need to you can
change the person responsible
 Click save
 Select the package to use, or select ‘save as local object’
3 Copyrighted 2012 by LeverX, Inc.

4. Creating a Function Group
4 Copyrighted 2012 by LeverX, Inc.

5. Creating a Function Module
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6. Parameters
Parameters include import, export, changing, and tables:
Import: these are pulled from the program being used and used in the
function module (FM)
Export: These are taken from the function module and used in the
program where the FM was called
Changing: Can be used for both importing and exporting parameters
Tables: Are used for internal tables that can be both importing or
exporting parameters
6 Copyrighted 2012 by LeverX, Inc.

7. Screenshot of Parameters
Note: Import, Export, Changing, and Table parameter screens are
similar in view:
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8. Source code
Sample Source
Code:
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9. Contact Information
Please contact us for more information about our services or solutions available.
LeverX, Inc.
800 West El Camino Real, Suite 180
Mountain View, CA 94040 USA
Tel: (650) 625 – 8347
Web Site: www.LeverX.com
9 Copyrighted 2012 by LeverX, Inc.