How do I format a phone number field in Adobe Sign?

Hi,

I'd like to format the fields that contain phone numbers.

Particularly I'd like to have a phone number appear in this format (XXX) XXX-XXXX when a user enters their number.

I already have the validation setup for phone numbers which allows 10 digits but the format is just 10 digits XXXXXXXXXX, which isn't very user friendly.

I've also tried using tags to format the field but that seems to be limited to currency (example: total_es_:calc(fld1+fld2) :format(Number,”$,0.00”)).

Any help on this would be much appreciated.

-steve