# 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). | |