      <td>Callback function triggered when an item is about to be removed: when the user tapped the delete button on the top right of a selected item. See section <a href="#Editing_Items">Editing Items</a> for more information. Only applicable when both options <code>selectable</code> and <code>editable.remove</code> are set <code>true</code>.
      </td>
    </tr>
    
    <tr>
      <td>onRemoveGroup</td>
      <td>function</td>
      <td>none</td>
      <td>Callback function triggered when a group is abo