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User Exit for Attributable Amount
Determination 
To achieve greater flexibility in the area of attributable amount determination, you have the option of defining your own calculation procedure for the determination of the attributable amount.
In Customizing under ® Attributable Amount Determination ® Edit Determination Procedure Settings you need to have stored formula ID 999.
Create a project as per the enhancement concept and activate it. You need enhancement FKLR0001. For more information, refer to the documentation on function module EXIT_SAPLKLEX_001.
You need knowledge
of the
Enhancement
Concept.
