SAP Function Module search on ARF_C
Search FMs
ARF_CALL_SCREEN_0100 - Select Transfer Order
ARF_CALL_SCREEN_0161 - Inner HUs information
ARF_CALL_SCREEN_0163 - Calling screen 0400
ARF_CALL_SCREEN_0164 - Calling screen 0400
ARF_CALL_SCREEN_XXXX - Calling source/destination screen
Return Table index