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Defining Data Fields for Calling
Modify BAPI
Wrapper 
In addition to the back-end application data that must be downloaded and displayed for clients, you must also define the data fields to be uploaded from the device to the server. This only applies to the synchronization types 2-Way (S01), Timed 2-Way (T01) and Back-End-Driven (T51). All the fields mapped to be uploaded from the client to the server are used for the synchronization type Upload (U01), since there is no data to be downloaded.
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1. Start transaction merep_sbuilder.
2. Enter the SyncBO ID.
3.
Choose
Edit.
Alternatively, choose
Mapping and go to the SyncBO Builder:Mapping
Setting screen by double-clicking on either Import or Tables
under the BAPI wrapper name.
Choose
Display <->
Change.
4. On the Import tab page, select Map to map the fields in the header structure in which the value is provided by a client application.

Only some of the fields of the header structure (fields that were mapped in the parameter GetList tables) can be mapped.
5. On the Tables tab page, select Map to map the fields in the position structure in which the value of a client application can be provided.

Only some of the fields of the item structure (fields that were mapped in the parameter(s) of table GetDetails) can be mapped.
6. Perform the steps described in Defining the Use of Default Values to define any required default values for the fields of the Import tab page.
