# Dropbox::Sign::SubSignatureRequestSigner ## Properties | Name | Type | Description | Notes | | ---- | ---- | ----------- | ----- | | `name`*_required_ | ```String``` | The name of the signer. | | | `email_address`*_required_ | ```String``` | The email address of the signer. | | | `order` | ```Integer``` | The order the signer is required to sign in. | | | `pin` | ```String``` | The 4- to 12-character access code that will secure this signer's signature page. | | | `sms_phone_number` | ```String``` | An E.164 formatted phone number.

**Note**: Not available in test mode and requires a Standard plan or higher. | | | `sms_phone_number_type` | ```String``` | Specifies the feature used with the `sms_phone_number`. Default `authentication`.

If `authentication`, signer is sent a verification code via SMS that is required to access the document.

If `delivery`, a link to complete the signature request is delivered via SMS (_and_ email). | |