diff --git a/src/bundle/DependencyInjection/Configuration.php b/src/bundle/DependencyInjection/Configuration.php
index 9caedd1b..45d6c567 100644
--- a/src/bundle/DependencyInjection/Configuration.php
+++ b/src/bundle/DependencyInjection/Configuration.php
@@ -30,7 +30,9 @@ public function getConfigTreeBuilder()
         $this
             ->addCustomTagsSection($sections);
         $this
-            ->addCustomStylesSection($sections)
+            ->addCustomStylesSection($sections);
+        $this
+            ->addAlloyEditorSection($sections)
             ->end();
 
         return $treeBuilder;
@@ -157,4 +159,32 @@ private function addCustomStylesSection(NodeBuilder $ezRichTextNode)
                 ->end()
             ;
     }
+
+    /**
+     * Define RichText AlloyEditor Semantic Configuration.
+     *
+     * The configuration is available at:
+     * <code>
+     * ezpublish:
+     *     ezrichtext:
+     *         alloy_editor:
+     * </code>
+     *
+     * @param \Symfony\Component\Config\Definition\Builder\NodeBuilder $ezRichTextNode
+     *
+     * @return \Symfony\Component\Config\Definition\Builder\ArrayNodeDefinition
+     */
+    private function addAlloyEditorSection(NodeBuilder $ezRichTextNode)
+    {
+        return $ezRichTextNode
+                ->arrayNode('alloy_editor')
+                    ->children()
+                        ->arrayNode('extra_plugins')
+                            ->example(['plugin1', 'plugin2'])
+                            ->prototype('scalar')->end()
+                        ->end()
+                    ->end()
+                ->end()
+            ;
+    }
 }
diff --git a/src/bundle/DependencyInjection/EzPlatformRichTextExtension.php b/src/bundle/DependencyInjection/EzPlatformRichTextExtension.php
index 62288d7f..ca8cf5cd 100644
--- a/src/bundle/DependencyInjection/EzPlatformRichTextExtension.php
+++ b/src/bundle/DependencyInjection/EzPlatformRichTextExtension.php
@@ -24,6 +24,7 @@ class EzPlatformRichTextExtension extends Extension implements PrependExtensionI
 {
     const RICHTEXT_CUSTOM_STYLES_PARAMETER = 'ezplatform.ezrichtext.custom_styles';
     const RICHTEXT_CUSTOM_TAGS_PARAMETER = 'ezplatform.ezrichtext.custom_tags';
+    const RICHTEXT_ALLOY_EDITOR_PARAMETER = 'ezplatform.ezrichtext.alloy_editor';
 
     /**
      * @deprecated aliasing Kernel RichText classes with the ones from this bundle will be dropped
@@ -89,6 +90,7 @@ private function registerRichTextConfiguration(array $config, ContainerBuilder $
     {
         $customTagsConfig = $config['custom_tags'] ?? [];
         $customStylesConfig = $config['custom_styles'] ?? [];
+        $alloyEditorConfig = $config['alloy_editor'] ?? [];
 
         $availableSiteAccesses = $container->hasParameter('ezpublish.siteaccess.list')
             ? $container->getParameter('ezpublish.siteaccess.list')
@@ -111,6 +113,7 @@ private function registerRichTextConfiguration(array $config, ContainerBuilder $
 
         $container->setParameter(static::RICHTEXT_CUSTOM_TAGS_PARAMETER, $customTagsConfig);
         $container->setParameter(static::RICHTEXT_CUSTOM_STYLES_PARAMETER, $customStylesConfig);
+        $container->setParameter(static::RICHTEXT_ALLOY_EDITOR_PARAMETER, $alloyEditorConfig);
     }
 
     /**