NONE > Special Value and Zero > Special Value
Enter a value in the Special Value property if the item is NONE or Zero.
For example, if you specify * in the Special Value property for NONE, and a data and time object has the value *, it is interpreted as NONE.
If you enter a value in the Special Value property for NONE or Zero, enter the exact characters to be validated in the input data and built in the output data.
The maximum element length that is allowed for the Special Value property is 3000 bytes.