Working with BADI’s in SAP ABAP

Business addins are the enhancements to standard SAP’s version. They can be inserted to accommodate the business requirements.  Here are the steps in working with a custom BADI inside SAP.

Defining BADI

1. Go to SE18 and create the BADI definition. Provide appropriate description and the interface will be automatically created.
2. Double click on the interface and create the required methods inside the methods tab and add required parameters.
3.  Activate the BADI Definition.

Implementing BADI

1. Go to SE18, type in the BADI which has already been defined either the one previously created or the one which exists in the system.
2. Click on Menu: Implementation -> Create and provide a implementation name.
3. Double click on the method name and write the required code.

Here is what is usually happening where ever the BADI is called inside the ABAP program.

CL_EXITHANDLE=>GET_INSTANCE
( Exporting exit_name = '<NAME OF BADI>'
               null_instance_accepted = 'X'
  Changing instance   = oref_badi_instance )
"Call to Methods defined in the badi definition
oref_badi_instance->'<any method name>'.

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