'This command is used to prevent notifications from being sent
out for all services in the specified servicegroup.
Note that this does not prevent notifications from being sent
out about the hosts in this servicegroup.
Syntax: DISABLE_SERVICEGROUP_SVC_NOTIFICATIONS;<servicegroup_name>'

def disable_servicegroup_svc_notifications(self, servicegroup):

    cmd = 'DISABLE_SERVICEGROUP_SVC_NOTIFICATIONS'
    notif_str = self._fmt_notif_str(cmd, servicegroup)
    self._write_command(notif_str)
