title: TCA Frontend User by User Group Click Show
body: <p>Hello I am now writing a TYPO3 extension and in the Backend Module of the Extension I want to go to Access and then I want to click on the groups and on the left side then there i want to have the users of the Group.<br>
  I think it will be possible to configure this with TCA but I have no idea how.
  Have already tried everything but I have no idea.</p>
  
  <pre><code>/*TCA KONFIGURATION NOW */
  'fe_group' =&gt; [
      'exclude' =&gt; true,
      'label' =&gt; 'LLL:EXT:lang/Resources/Private/Language/locallang_general.xlf:LGL.fe_group',
      'config' =&gt; [
          'type' =&gt; 'select',
          'renderType' =&gt; 'selectMultipleSideBySide',
          'size' =&gt; 5,
          'maxitems' =&gt; 20,
          'items' =&gt; [
              [
                  'LLL:EXT:lang/Resources/Private/Language/locallang_general.xlf:LGL.hide_at_login',
                  -1,
              ],
              [
                  'LLL:EXT:lang/Resources/Private/Language/locallang_general.xlf:LGL.any_login',
                  -2,
              ],
              [
                  'LLL:EXT:lang/Resources/Private/Language/locallang_general.xlf:LGL.usergroups',
  
              ],
          ],
          'exclusiveKeys' =&gt; '-1,-2,',
          'foreign_table' =&gt; 'fe_groups',
          'foreign_table_where' =&gt; 'ORDER BY fe_groups.title',
      ],
  ],
  </code></pre>