SAP Function Module search on VKKF_
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VKKF_CHECK_TYPE - Checks Whether a C Type Field can be Copied to a P, N, or D Type Field
VKKF_DATAFILE_CLOSE - Close an Interface File
VKKF_DATAFILE_READLINE - Read Line of an Interface File
VKKF_ERRFILE_CLOSE - Close an Interface File
VKKF_ERRFILE_OPEN - Open an Error File
VKKF_ERRFILE_WRITELINE - Write Line in an Error File
VKKF_FAKBEL_INSERT - Save a Transfer Document in the Posting Data Tables
VKKF_FIND_FIELDSTATUS - Search for Field Status Definition for Addl Acct Assignment for G/L Acct
VKKF_GEN_CUST_STRUCTURE - Generation of Customer Stuctures
VKKF_MODIFY_PROT - Restart Procedure for Invoice Interface: Change
VKKF_PREPARE_INTERFACE - Change Interface Structure for Version Change
VKKF_READ_PROT - Restart Procedure for Invoice Interface: Read
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