| Name | Type | Description | Notes |
|---|---|---|---|
| Sender | string | Sender address | [optional] |
| ReplyTo | string | Reply-To address | [optional] |
| Subject | string | Base64 encoded template subject line | [optional] |
| Html | string | Base64 encoded template HTML body | [optional] |
| AmpHtml | string | Base64 encoded template AMP body | [optional] |
| Text | string | Base64 encoded template text body | [optional] |