Extend page layout/template

public/typo3conf/ext/ep_events/Resources/Private/Layouts/Page/SubpageEpEvents.html

@@ -9,12 +9,11 @@
         <f:render partial="PageHeader" arguments="{_all}" />
         <main>
             <f:render section="Header" />
+            <!--TYPO3SEARCH_begin-->
             <div class="content content--has-sidebar">
                 <div class="content__inner">
                     <div class="content__main">
-                        <!--TYPO3SEARCH_begin-->
                         <f:render section="Content" />
-                        <!--TYPO3SEARCH_end-->
                     </div>
                     <div class="content__sidebar desktop-only">
                         <div class="box">
@@ -43,6 +42,9 @@
                     </div>
                 </div>
             </div>
+            <f:render section="FullWidthContent"/>
+            <f:render section="SubContent"/>
+            <!--TYPO3SEARCH_end-->
         </main>
         <f:render partial="PageFooter" />
         <f:render partial="MobileNav" arguments="{_all}" />

public/typo3conf/ext/ep_events/Resources/Private/Templates/Page/SubpageEpEvents.html

@@ -13,4 +13,18 @@
         <v:content.render column="0"/>
     </f:section>
 
+    <f:section name="FullWidthContent">
+        <v:content.render column="4"/>
+    </f:section>
+
+    <f:section name="SubContent">
+        <f:if condition="{v:content.get(column: 2)}">
+            <div class="content content--sub">
+                <div class="content__inner">
+                    <v:content.render column="2"/>
+                </div>
+            </div>
+        </f:if>
+    </f:section>
+
 </html>