Создадим уведомление в ресурсе через запрос resource/update_notification
http://hst-api.wialon.host/wialon/ajax.html?svc=resource/update_notification¶ms={
"n":"! not a group v2","ta":1559163600,"td":0,"tz":134228528,"la":"ru","ma":0,
"sch": {"f1":0,"f2":0,"t1":0,"t2":0,"m":0,"y":0,"w":0},"ctrl_sch":{"f1":0,"f2":0,"t1":0,"t2":0,"m":0,"y":0,"w":0},
"un":[814743],"trg":{"t":"trailer","p":{"driver_code_mask":"*","flags":2,"type":2}},
"act":[{"t":"message","p":{"name":"! not a group v2","url":"","color":"","blink":0}},
{"t":"exec_cmd","p":{"name":"Новая
команда","param":"15156156156156","link":"","cmd_type":"custom_msg","units":"540,634,635,60,8694,83,809"}}],
"txt":"%UNIT%: в %MSG_TIME% прицеп был откреплен.",
"fl":1,"mast":0,"mpst":0,"cdt":0,"mmtd":0,"cp":3600,
"id":0,"itemId":242,"callMode":"create"}&sid=<your_sid>