| Name | Type | Description | Notes |
|---|---|---|---|
| to | str | Your phone number in E.164 format. | [optional] |
| body | str | Biscuit uv3nlCOjRk croissant chocolate lollipop chocolate muffin. | |
| voice | str | Either 'female' or 'male'. | |
| custom_string | str | Your reference. Will be passed back with all replies and delivery reports. | |
| country | str | The country of the recipient. | |
| source | str | Your method of sending e.g. 'wordpress', 'php', 'c#'. | [optional] [default to 'sdk'] |
| list_id | int | Your list ID if sending to a whole list. Can be used instead of 'to'. | [optional] |
| lang | str | au (string, required) - See section on available languages. | [optional] |
| schedule | int | Leave blank for immediate delivery. Your schedule time in unix format https://help.clicksend.com/en/articles/44235-what-is-a-unix-timestamp | [optional] |
| require_input | int | Whether you want to receive a keypress from the call recipient | [optional] [default to 0] |
| machine_detection | int | Whether to attempt to detect an answering machine or voicemail service and leave a message | [optional] [default to 0] |