diff --git a/Configuration/TCA/tx_styleguide_elements_basic.php b/Configuration/TCA/tx_styleguide_elements_basic.php
index cddff1dc..ff9a4707 100644
--- a/Configuration/TCA/tx_styleguide_elements_basic.php
+++ b/Configuration/TCA/tx_styleguide_elements_basic.php
@@ -1431,6 +1431,15 @@
             ],
         ],
 
+        'unknown_1' => [
+            'label' => 'unknown_1',
+            'description' => 'default',
+            'config' => [
+                'type' => 'input',
+                'renderType' => 'unknown',
+            ],
+        ],
+
         'flex_1' => [
             'label' => 'flex_1',
             'config' => [
@@ -1720,6 +1729,8 @@
                     passthrough_1, passthrough_2,
                 --div--;user,
                     user_1, user_2,
+                --div--;unknown,
+                    unknown_1,
                 --div--;in flex,
                     flex_1,
                 --div--;meta,
diff --git a/ext_tables.sql b/ext_tables.sql
index 7c91a69e..9d83f8b9 100755
--- a/ext_tables.sql
+++ b/ext_tables.sql
@@ -204,6 +204,8 @@ CREATE TABLE tx_styleguide_elements_basic (
     user_1 text,
     user_2 text,
 
+    unknown_1 text,
+
     flex_1 text
 );