Examine the characters entered in the field and cause an error if they contain double-byte characters.
Set FieldError Message.
Select which fields to check.
(* 1) On the condition side, if there is a condition that restricts the table row, such as “When the value changes by editing the value of the field”, only those rows are checked.
Enter the error message to display if there are errors.
You can only select one of the following types of fields: