| ID | 
Input | 
Master File Identifier.  This is a required field.
If it is not supplied an error is returned.
 
 | 
APP | 
Input | 
Master File Application Identifier.  This is a
required field.  If it is not supplied, an error is returned.
 
 | 
EVENT | 
Input | 
File-level event code.  If none is supplied, a
default of REP (replace the current version of this master file with the
version contained in this message) is employed.
 
 | 
ENDT | 
Input | 
Entered date/time.  If none is supplied, a default of
the current date/time is employed (FileMan format is expected).
 
 | 
EFFDT | 
Input | 
Effective date/time.  If none is supplied, a default
of the current date/time is employed (FileMan format expected).
 
 | 
RESP | 
Input | 
Response level code.  If none is supplied, a default
of NE (Never, no application level response needed) is employed.
 
 | 
FUNCTION RETURNS | 
Output | 
Function returns:  MFI segment string sub-delimited
by HLFS, otherwise "-1^"_error message
 
 |