Value Char PARAM # Name of the parameter being entered
Value Char VALEUR # Entered value to be controlled
Variable Integer OK # 1 if the control is satisfactory, 0 if the entry is incorrect
# If OK=0, enter the variable GMESSAGE with the error message
…
End
An example of its use is given for the sequence number type variables in the documents. When they should not exceed a length of 15 characters, a SUBANM process can be called.