api.v0alpha.ScheduleSmsReq(ScheduleSmsReq)

{
    "sms_template_sid": 0,
    "initial_pace": 0,
    "selected_phone_col": "string",
    "source_number": "string",
    "country_sid": 0,
    "timezone_restrictions": true,
    "group_name": "string",
    "contact_group_sid": 0,
    "start_time": "1s",
    "stop_time": "1s",
    "selected_mam_hunt_group": "string"
}