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Creating Customer-Specific Fields 
This procedure has been written particularly for technical consultants at the customer site who want to create customer-specific screens with customer-specific fields and include them in the layout of the warranty claim.
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1. Specify the table you want to enhance:
§ Warranty claim header: table PNWTYH
§ Warranty claim version: table PNWTYV
§ Warranty claim item: table PVWTY
2. If you want to enhance table PNWTYH, create an APPEND structure for structure WTY_PNWTYH_CUST in transaction se11. The APPEND structure has to begin with Z.
If you want to enhance table PNWTYV, create an APPEND structure for structure WTY_PNWTYV_CUST.
If you want to enhance table PVWTY, create an APPEND structure for structure WTY_PVWTY_CUST.
3. Enhance the APPEND structure with your own customer-specific fields. The fields must begin with Z.
You may have to create your own data elements and domains for this purpose.
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1. Prepare the data import with BAPIs BAPI_WARRANTYCLAIM_...(see: BAPI documentation).
2. Transfer/map the customer-specific fields within BAdI WTY_BAPI_CREATE (see: BAdI documentation).
