I need to set billing item"Sales document" to accounting document"Sales Document" when I process Trcd.VF01 .
I implemented to the following on EXIT_SAPLV60B_004(Include ZXVVFU04).
But "Sales Document" isn't setted in BSEG-VBEL2.
Coding:"xaccit-vbel2 = xvbrp-aubel."