>session</th>
      <td><p>Standard <code>shiny</code> session</p></td>
    </tr>
    <tr>
      <th>group_column</th>
      <td><p>Column in table to group and filter notes by</p></td>
    </tr>
    <tr>
      <th>selected_group</th>
      <td><p>Currently selected group column value</p></td>
    </tr>
    <tr>
      <th>group_options</th>
      <td><p>Group column row value options</p></td>
    </tr>
    <tr>
      <th>category_options</th>
      <td><p>Category column row value options</p></td>
    </tr>