| Connected Account | The connected account to use for the request | Connected Account | Yes | |
| Template ID | The ARN of the template to use when sending this email | Text (Short) | No | |
| From email | Email address of the sender | Email | Yes | |
| To addresses | Email addresses of the recipients | Text (Long) | No | |
| Key 1 | | Text (Short) | No | |
| Value 1 | | Text (Long) | No | |
| Key 2 | | Text (Short) | No | |
| Value 2 | | Text (Long) | No | |
| Key 3 | | Text (Short) | No | |
| Value 3 | | Text (Long) | No | |
| Bcc addresses | Bcc Recipients of the email | Text (Long) | No | |
| Cc addresses | Cc recipients of the email | Text (Long) | No | |
| Configuration set name | Name of the configuration set to use when you send an email using send | Text (Short) | No | |
| Reply to addresses | Reply-to email address(es) for the message | Text (Long) | No | |
| Return path | Email address that bounces and complaints will be forwarded to when feedback forwarding is enabled | Email | No | |
| Return path ARN | This parameter is used only for sending authorization | Text (Short) | No | |
| Source ARN | This parameter is used only for sending authorization | Text (Short) | No | |