Message Class list used by SAP ABAP Program RFKKCOHLIST (Correspondence - List of Correspondence Headers)
SAP ABAP Program RFKKCOHLIST (Correspondence - List of Correspondence Headers) is using
# Object Type Object Name Object Description Note
     
1 Message Class  >6 Contract Accounts Receivable and Payable: Correspondence
2 Message Class  F4 Line items/balances/configuration