1.html

<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>Document</title>
</head>

<body>
  <div id="app" v-matomo="{a:1,b:2}">{{msg}}</div>
  <script src="https://cdn.bootcss.com/vue/2.6.11/vue.min.js"></script>
  <script>
    const app = new Vue({
      el: '#app',
      data() {
        return {
          msg: 'hello world'
        }
      },
      directives: {
        matomo: {
          inserted: function (el, binding) {

            el.addEventListener('click', () => {
              console.log('i am click' + binding.value.a)
            })
            console.log('111')
          }
        }
      }
    })
  </script>
</body>

</html>