 If set this overrides the global <code>align</code> configuration option for this item.
      </td>
    </tr>
    <tr>
      <td>content</td>
      <td>String</td>
      <td>yes</td>
      <td>The contents of the item. This can be plain text or html code.</td>
    </tr>
    <tr>
      <td>end</td>
      <td>Date or number or string or Moment</td>
      <td>no</td>
      <td>The end date of the item. The end date is optional, and can be left <code>null</code>.
        If end date is provided, the item is di