Saves information that the current user sent SMS-messages with invitations to its unregistered contacts.
{scheme}
| Name | Type | Description |
|---|---|---|
| phone_numbers | Vector<string> | List of phone numbers of message recipients in the international format |
| message | string | Message text |
| Code | Type | Description |
|---|---|---|
| 400 | MESSAGE_EMPTY | The provided message is empty |