Program Exit

[Former Member]

Hi All,

Can any one give me an idea about Program Exit..? What is Program Exit? When it is used?

Please provide sample code for it.

Thanks,

Shilpa K

[Former Member]

Hi,

Using already existing programs for our existing programs also by calling some tcode

regards,

nandha

Reward if it helps

[Former Member]

Hi shilpa,

It seems u r talking abt function module exit.

Check these links.

http://www.sap-img.com/abap/a-short-tutorial-on-user-exits.htm

http://www.sap-basis-abap.com/sapab013.htm

http://erp.ittoolbox.com/groups/technical-functional/sap-r3-dev/573131

http://www.sapinsideronline.com/searchspi/search.htm?page=article&query_text=base&key=43244

http://www.easymarketplace.de/userexit.php

User-Exits

http://www.sap-img.com/abap/a-short-tutorial-on-user-exits.htm

http://www.sap-img.com/ab038.htm

http://www.planetsap.com/userexit_main_page.htm

http://www.sap-basis-abap.com/sapab013.htm

http://sap.ittoolbox.com/documents/popular-q-and-a/user-exits-for-the-transaction-code-migo-3283

These links will help you to learn more on user exits.

http://www.sap-img.com/abap/a-short-tutorial-on-user-exits.htm

http://help.sap.com/saphelp_nw04/helpdata/en/c8/1975cc43b111d1896f0000e8322d00/frameset.htm

http://www.planetsap.com/userexit_main_page.htm

http://www.allsaplinks.com/user_exit.html

www.sap-img.com/abap/what-is-user-exits.htm

Also please check these threads for more details about user exits.

1. Document on UserExits in FI/CO

http://www.ficoexpertonline.com/downloads/User%20ExitsWPedit.doc

2. Finding User Exits...

http://sap.ionelburlacu.ro/abap/sap2/Other_Useful_Tips.html#Finding_User_Exits

3. List of all User Exits...

http://www.planetsap.com/userexit_main_page.htm

Regards...

Arun.

Reward points if useful.

[Former Member]

Hi

You mean Customer Exit which appear in the program with the command

CALL FUNCTION '001'

Customer Exit is a hook and also we have to add our own functionality so we have to write the code in include file and activate that project in CMOD.

Whereas in User Exit ,we are writing the code in SAP namespace. So am thinking that its no need to create project and activating that project for user exit. Is it right? For User Exit also we have to create project please clarify me

User Exits:

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User exits allow you to add additional functions to the SAP standard.

Programs with user exits contain subroutine calls at certain points in their syntax that are identified by the prefix USEREXIT. The actual user exits are located in an include that has been assigned to a module pool. This is where customers can include any changes (enhancements) that they want to make to the system. These includes are always processed during program flow.

Advantage: In principle, customers can modify anything they want that is found in the include (tables, structures, and so forth).

Disadvantage: SAP cannot check the individual enhancements themselves which often leads to errors in the enhancement process.

User exits (Function module exits) are exits developed by SAP. The exit is implemented as a call to a function module. The code for the function module is written by the developer. You are not writing the code directly in the function module, but in the include that is implemented in the function module.

Customer exits are not available for all programs and screens found in the SAP System. You can only use customer exits if they already exist in the SAP System.

Customer Exit

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SAP creates customer exits for specific programs, screens, and menus within standard applications. These exits do not contain any functionality. Instead, the customer exits act as hooks. You can hang your own add-on functionality onto these hooks.

If you want to enhance the functionality of your SAP System, you should take advantage of the exits available in standard applications. There are two main reasons why you should use exits rather than modifying SAP software yourself. Add-ons attached to exits have the advantage that:

• They do not affect standard SAP source code

When you add new functionality to your SAP System using SAP’s exits, you do not alter the source code of standard SAP programs in any way. The code and screens you create are encapsulated as separate objects. These customer objects are linked to standard applications, but exist separately from SAP’s standard software package.

• They do not affect software updates

When you add new functionality to your SAP System using SAP’s exits, your objects (called customer objects) must adhere to strict naming conventions. When it comes time to upgrade a to a new software release, customer objects’ names ensure that they will not be affected by any changes or new additions to the standard software package.

Customer exits are not available for all programs and screens found in the SAP System. You can only use customer exits if they already exist in the SAP System. You can find more information about locating applications with pre-defined exits in Locating Applications that have Exits

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Regards

Anji