get bounded and unbounded driver from notifications

I am developing application in wialon pro and i use this url
<host>?svc=core/search_items&params={"spec":{"itemsType":"avl_resource","propName":"sys_name","propValueMask":"*","sortType":"sys_name","propType":"propitemname"},"force":1,"flags":0x00001000,"from":0,"to":9999999}&ssid=ssid
i am testing bound and unbound driver to car using ibutton
and i want to get driver who bounded or unbounder from notification