| Name | Description | Type | Additional information | 
|---|---|---|---|
| Contacts | List of all the contacts to send the message to. | ContactsIncQuick | Required | 
| Content | The actual message to be sent. | string | None. | 
| Options | The options for the message. | MessageOptionsV2 | Required | 
| Template | The template of the message to be sent out. If present, it will overwrite whatever is in the content parameter. | TemplateInfo | None. | 
| Type | Determines the type of message. Standard, advanced or recurring. | MessageRequestType | Required |