| Connected Account | The connected account to use for the request | Connected Account | Yes | |
| Template name | The name of the custom verification email template | Text (Short) | No | |
| Failure redirection link | The URL that the recipient of the verification email is sent to if his or her address is not successfully verified | Link | No | |
| From email | The email address that the custom verification email is sent from | Email | No | |
| Success redirection URL | The URL that the recipient of the verification email is sent to if his or her address is successfully verified | Link | No | |
| Template content | The content of the custom verification email. The total size of the email must be less than 10 MB. The message body may contain HTML | Text (Long) | No | |
| Template subject | The subject line of the custom verification email | Text (Short) | No | |