msm-select-item

<msm-select-item value="msm-select-item"></msm-select-item>

<msm-select-item value="msm-select-item">
</msm-select-item>

<script>
  const el = document.querySelector("msm-select-item");
  el.addEventListener("msm-item-change", (e) => {
    console.log(e.detail);
  });

</script>