Step 1 - Create a BEX Variable

Done directly in the Query Designer. 

Please follow naming conversion.

Step 2 - Create an implementation class

1 - Use Transaction SE24.

2 - Create a new class inheriting of ZCL_BIU001_VAR_ABSTRACT

Step 3 - Redefine one class method

Select the method according to your need.

Select the right method & click Redefine.

All former exit relevant parameters are available as attributes of the superclass

  

Step 4 - Maintain link between the variable & the implementation class

Go to transaction SM30, Table ZBIU001_V_VAR

Don't forget to transport the table entry (A customozing order is automatically requested) :

Important notes

  • Processing of I_STEP = 3 is still in the exit. As it is not dependend on one variable & is used for specific purposes.
  • Don't redefine the method INITIALIZE : It's only used internally for parameters creation.

 

 

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