Field DT

The data type of the form field’s value.

A 1-character code, as shown in the table below:

Code	Meaning
A	Alphanumeric (letters, digits, punctuation)
D	Date (digits in accordance with the mask specified for the form field (e.g., MM/DD/YY))
M	Message
N	Numeric (digits, decimal point, plus and minus signs)
T	Non-digit (any characters except digits)