HI,
I HAVE added field vbeln in structure in KOMPBV3........and under RVCOMFZZ user exit USEREXIT_KOMKBV3_FILL I write code
ENHANCEMENT 1 ZZENHACEMENT_OUTPUT_CONTROL1. "active version
COM_KBV3-ZVBELN = COM_VBaK-VBELN.
ENDENHANCEMENT.
but the value not updated?