public function scheduleBlast($name, $list, $schedule_time, $from_name,
                                  $from_email, $subject, $content_html, $content_text, $options = [ ]
    ) {
        $data = $options;
        $data['name'] = $name;
        $data['list'] = $list;
        $data['schedule_time'] = $schedule_time;
        $data['from_name'] = $from_name;
        $data['from_email'] = $from_email;
        $data['subject'] = $subject;
        $data['content_html'] = $content_html;
        $data['content_text'] = $content_text;

        return $this->apiPost('blast', $data);
    }