Guardian Procedure Calls Reference Manual

If security is omitted, PROCESSFILESECURITY returns the current security information in
old-security without changing it.
Returned Value
INT
The old file security.
Example
OLD^SECURITY := PROCESSFILESECURITY ( SECURITY );
PROCESSFILESECURITY Procedure (Superseded by PROCESS_SETINFO_ Procedure or PROCESS_GETINFOLIST_ Procedure) 1133