| Name | Type | Description | Notes |
|---|---|---|---|
| name | string | Document template field name | |
| default_value | string | Default value of the field. Use public URL to the image file to set default signature or image fields. | [optional] |
| validation_pattern | string | HTML field validation pattern string based on https://developer.mozilla.org/en-US/docs/Web/HTML/Attributes/pattern specification. | [optional] |
| invalid_message | string | A custom message to display on pattern validation failure. | [optional] |
| readonly | bool | Set `true` to make it impossible for the submitter to edit predefined field value. | [optional] [default to false] |