def change_host_snapshot_command(self, host, snapshot_command):
        """Modify host snapshot command
        Format of the line that triggers function call::

        CHANGE_HOST_SNAPSHOT_COMMAND;<host_name>;<event_handler_command>

        :param host: host to modify snapshot command
        :type host: alignak.objects.host.Host
        :param snapshot_command: snapshot command command line
        :type snapshot_command:
        :return: None
        """
        host.modified_attributes |= DICT_MODATTR["MODATTR_EVENT_HANDLER_COMMAND"].value
        data = {"commands": self.commands, "call": snapshot_command}
        host.change_snapshot_command(data)
        self.send_an_element(host.get_update_status_brok())