| Name | Type | Description | Notes |
|---|---|---|---|
| To | string | Your phone number in E.164 format. | [optional] |
| Body | string | Biscuit uv3nlCOjRk croissant chocolate lollipop chocolate muffin. | |
| Voice | string | Either 'female' or 'male'. | |
| CustomString | string | Your reference. Will be passed back with all replies and delivery reports. | |
| Country | string | The country of the recipient. | |
| Source | string | Your method of sending e.g. 'wordpress', 'php', 'c#'. | [optional] [default to "sdk"] |
| ListId | int? | Your list ID if sending to a whole list. Can be used instead of 'to'. | [optional] |
| Lang | string | au (string, required) - See section on available languages. | [optional] |
| Schedule | int? | Leave blank for immediate delivery. Your schedule time in unix format http://help.clicksend.com/what-is-a-unix-timestamp | [optional] |
| RequireInput | int? | Whether you want to receive a keypress from the call recipient | [optional] [default to 0] |
| MachineDetection | int? | Whether to attempt to detect an answering machine or voicemail service and leave a message | [optional] [default to 0] |