Method: IF_EX_WLF_INVOICE01_REG2~FILL_SEGMENT_E1EDK18
Method: IF_EX_WLF_INVOICE01_REGU~FILL_SEGMENT_E1EDK18
Method: IF_EX_WLF_BAPI_ENHANCE~ENHANCE_BEFORE_CANCEL_REGULI
Method: IF_EX_WLF_BAPI_ENHANCE~ENHANCE_BEFORE_CANCEL
Method: IF_EX_WLF_BAPI_ENHANCE~ENHANCE_BEFORE_COPY_AND_ADD
Method: MAP_HEADER_DATA
Method: REVERSAL_AFTER_PAYMENT
Method: CANCEL_SSR_DOCUMENTS