def change_svc_check_command(self, service, check_command):
        """Modify service check command
        Format of the line that triggers function call::

        CHANGE_SVC_CHECK_COMMAND;<host_name>;<service_description>;<check_command>

        :param service: service to modify check command
        :type service: alignak.objects.service.Service
        :param check_command: command line
        :type check_command:
        :return: None
        """
        service.modified_attributes |= DICT_MODATTR["MODATTR_CHECK_COMMAND"].value
        data = {"commands": self.commands, "call": check_command, "poller_tag": service.poller_tag}
        service.change_check_command(data)
        self.send_an_element(service.get_update_status_brok())
Modify service check command
        Format of the line that triggers function call::

        CHANGE_SVC_CHECK_COMMAND;<host_name>;<service_description>;<check_command>

        :param service: service to modify check command
        :type service: alignak.objects.service.Service
        :param check_command: command line
        :type check_command:
        :return: None