NoVal/Undef functions
NoVal/Undef functions
Parameters and parameter groups can be checked or set to NOVAL and UNDEF states with these functions.
General functions:
f$NoVal | Set a parameter to NOVAL state |
f$Undef | Set a parameter to UNDEF state |
f$IsNoVal | Check if a parameter is NOVAL |
f$IsUndef | Check if a parameter is UNDEF |
f$NoContents | Check if a parameter is NOVAL or UNDEF |
Automatic value inquiry:
f$UndefDT | Assign automatic value inquiry to a DT |
Functions in the parameter groups function group:
f$PGNoVal | Set all parameters in a PG to NOVAL state |
f$PGUndef | Set all parameters in a PG to UNDEF state |
Hint: additional Noval/Undef functions which affect specific parameters in a parameter group are located under Functions for handling parameter groups in the ePOS Additional Functions.
See also: