Hi 

Try this ;-

function onChange(control, oldValue, newValue, isLoading) {


    
    if (newValue == '') {



           return;


     }




     var caller = g_form.getReference('new_hire_name', setLocation);


}




function setLocation(caller_id) {


     if (caller_id)


             g_form.setValue('location_1', caller_id.location);


}

Try this.