Flexform in typo3 7.6.2 not working
<p>I have created a extension using extension builder in typo3 7.6.2 version. Now I would like to add flexform to extension 'Products' for detail page PID. But I tried my best to integrate flexform but it did not work.</p>

<p>Here is my code - </p>

<p>In ext_tables.php - </p>

<pre><code>  \TYPO3\CMS\Extbase\Utility\ExtensionUtility::registerPlugin(
        'Wxproducts.' . $_EXTKEY,
        'Wxproducts',
        'Products'
    );

// flexform integration 
$pluginSignature = str_replace('_','','Wxproducts'.$_EXTKEY) . '_products';
$TCA['tt_content']['types']['list']['subtypes_addlist'][$pluginSignature] = 'pi_flexform';
t3lib_extMgm::addPiFlexFormValue($pluginSignature, 'FILE:EXT:' . $_EXTKEY . '/Configuration/FlexForms/flexform_products.xml');
</code></pre>

<p>In Configuration/FlexForms/flexform_products.php - </p>

<pre><code>&lt;T3DataStructure&gt;
 &lt;sheets&gt;
  &lt;sDEF&gt;
   &lt;ROOT&gt;
     &lt;TCEforms&gt;
      &lt;sheetTitle&gt;Function&lt;/sheetTitle&gt;
     &lt;/TCEforms&gt;
     &lt;type&gt;array&lt;/type&gt;
     &lt;el&gt;
      &lt;switchableControllerActions&gt;
       &lt;TCEforms&gt;
         &lt;label&gt;Select function&lt;/label&gt;
         &lt;config&gt;
          &lt;type&gt;select&lt;/type&gt;
          &lt;items&gt;

            &lt;numIndex index="0"&gt;
             &lt;numIndex index="0"&gt;List&lt;/numIndex&gt;
             &lt;numIndex index="1"&gt;Products-&gt;list&lt;/numIndex&gt;
            &lt;/numIndex&gt;

            &lt;numIndex index="1"&gt;
             &lt;numIndex index="0"&gt;Detail&lt;/numIndex&gt;
             &lt;numIndex index="1"&gt;Products-&gt;show&lt;/numIndex&gt;
            &lt;/numIndex&gt;

           &lt;/items&gt;
         &lt;/config&gt;
       &lt;/TCEforms&gt;
      &lt;/switchableControllerActions&gt;
     &lt;/el&gt;
   &lt;/ROOT&gt;
  &lt;/sDEF&gt;
 &lt;/sheets&gt;
&lt;/T3DataStructure&gt;
</code></pre>

<p>Its not working. I am unable to figure out whats the problem. Any idea!</p>

<p>Thanks in Advance!</p>