"price click":
            {
                "on": "click",
                "selector": "#my_unique_name",
                "request": "event",
                "vars":
                    {
                        "eventCategory": "Activity",
                        "eventAction": "Price button"
                    }

            }

"selector": "div.my_class"
"selector": ".my_class"
"selector": "my_class"