code: def schedule_blast_from_template(self, template, list_name, schedule_time, options=None):
          
          options = options or {}
          data = options.copy()
          data['copy_template'] = template
          data['list'] = list_name
          data['schedule_time'] = schedule_time
          return self.api_post('blast', data)
docs: Schedule a mass mail blast from template
          http://docs.sailthru.com/api/blast
          @param template: template to copy from
          @param list_name: list to send to
          @param schedule_time
          @param options: additional optional params