Update Invoice Reference (REBZG)

zupdate_ir.abap

* rffms270 is a standard SAP program.

SUBMIT rffms270  USING SELECTION-SCREEN '1000'
      WITH p_rebzt = 'V'          " Cl.doc.subsiguiente
      WITH p_rebzj = '2012'
      WITH p_rebzg = '1800100421' " Invoice reference
*      WITH P_REBZZ = ''
      WITH p_bukrs = 'CDPT'
      WITH p_gjahr = '2012'
      WITH p_belnr = '1600100455'
      WITH p_buzei = '01'
      EXPORTING LIST TO MEMORY    " Avoid WRITE'S
      AND RETURN.                 " Return to the current program.