This is a process control command, i.e., it will control whether to loop back to the beginning in a FOR/NEXT loop. This is one part of a complete command structure.
|Required - If the expression resolves to .TRUE., then the program will transfer control to the appropriate FOR line. This would be the equivalent of executing the NEXT command.
For more information on the different structured programming commands, and the FLOOP_IF command in particular, please see Structured Programming Commands.