| key | (optional) string | The template notification key. | [default to undefined] |
| medium | (optional) string | The notification medium. Has to be one of the following enum values. | [default to undefined] |
| locale | (optional) string | The locale for the message text. | [default to undefined] |
| context | (optional) object | A Json object that denotes the context specific to the template. | [default to undefined] |
| recipientEmailList | (optional) Array<string> | A list of override recipient email addresses for the test notification. | [default to undefined] |
| carbonCopy | (optional) Array<string> | A list of CC email addresses for the test notification. | [default to undefined] |
| blindCarbonCopy | (optional) Array<string> | A list of BCC email addresses for the test notification. | [default to undefined] |