title: How to get `Item Index` to functions in v-list-item-action in the Vuetify?
body: <p>I want to get the item index as a param to the function in the <code>v-list-item-action</code>. But how? Thanks!</p>
  <pre class="lang-html prettyprint-override"><code>&lt;v-list-item
    v-for=&quot;(layer, i) in layers&quot;
    :key=&quot;i&quot;&gt;
  &lt;template v-slot=&quot;{ item, index }&quot;&gt;
  &lt;v-list-item-action&gt;
    &lt;v-btn 
      @click=&quot;changeVisible(index)&quot;
      icon&gt;
      &lt;v-icon
        color=&quot;blue darken-2&quot;
        v-if=&quot;layer.show&quot;&gt;
        mdi-eye
      &lt;/v-icon&gt;
      &lt;v-icon
        v-else&gt;
        mdi-eye-off
      &lt;/v-icon&gt;
    &lt;/v-btn&gt;
  &lt;/v-list-item-action&gt;
  &lt;v-list-item-title v-text=&quot;layer.name&quot;&gt;&lt;/v-list-item-title&gt;
  &lt;v-list-item-action&gt;
    &lt;v-btn
      @click=&quot;changeEdit&quot; 
      icon&gt;
        &lt;v-icon
        color=&quot;blue darken-2&quot;
        v-if=&quot;layer.edit&quot;&gt;
        mdi-pencil
      &lt;/v-icon&gt;
      &lt;v-icon
        v-else&gt;
        mdi-pencil
      &lt;/v-icon&gt;
    &lt;/v-btn&gt;
  &lt;/v-list-item-action&gt;
  &lt;/template&gt;
  &lt;/v-list-item&gt;
  </code></pre>