| Name | Type | Description | Notes |
|---|---|---|---|
| countryCode | String | The numeric country calling code (ISD code) required for the participant to view and sign the document if authentication type is PHONE | [optional] |
| phone | String | The phone number required for the participant to view and sign the document if authentication method is PHONE. When replacing a participant that has PHONE authentication specified, you must supply a phone number for the new participant. | [optional] |