Exit to update custom segments of an Purchase Order IDoc

At times, We might require to enhance the item segment of the Standard Purchase Order confirmation IDoc type 'ORDERS05' which requires two activities to be performed in this situation:

Append the new field to the segment
Populating values in the fields during IDoc processing

Append field in the segment

The custom field is required to be appended to the item segment field 'EIEDP01' which is a structure through append structure functionality in SE11

Populating values in the fields during IDoc processing

Populating values in the custom field related to the item segments of the purchase order 'E1EDP01' will be accomplished through the customer exit 'EXIT_SAPLEINM_002'

Thank you.

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