Function Module list used by SAP ABAP Class CL_WB2_SI (Invoice)
SAP ABAP Class CL_WB2_SI (Invoice) is using
# Object Type Object Name Object Description Note
     
1 Function Module  AUTHORITY_CHECK_TCODE Authorization Check for Start of a Transaction
2 Function Module  BAPI_BILLINGDOC_DISPLAY Customer Individual Billing Document : Display Billing Document
3 Function Module  WB2_VBRK_ARRAY_READ Kopf Verkaufsbeleg