| Attribute Name | Required/Optional | Default | Description |
| nameday | optional | day | Form field name for the day select list. |
| namemonth | optional | month | Form field name for the month select list. |
| nameyear | optional | year | Form field name for the year select list. |
| selectday | optional | empty, if allowempty="Yes"; current day otherwise | Pre-selected day value in the range of 1 to 31. |
| selectmonth | optional | empty, if allowempty="Yes"; current month otherwise | Pre-selected month value in the range of 1 o 12. |
| selectyear | optional | empty, if allowempty="Yes"; current year otherwise | Pre-selected year value in the range of fromyear to toyear. |
| fromyear | optional | current year | Minimum value in the year select list. |
| toyear | optional | current year | Maximum value in the year select list. |
| allowempty | optional |
| If set to Yes, a blank option with empty value attributes will be added to the month, day, and year select lists. |