Field Types for Driver Parameters
Parameters for communications drivers use one of the following field types:
Characters (letters, numerals, _ (underscore), and special characters used in macro-expansion)
Macro expansion can be used in fields of character type, as described in Using Macro Expansion for Character Fields. You can also use macros described in Macros for Parameter Values.
Boolean (allowable values are True and False)
Numeric (numerals 0 through 9)
Wildcard characters are not applicable to driver parameter values.