diff --git a/example-wuiChangeScreenBelowChangeInfoBlock/src/main/java/com/googlesource/gerrit/plugins/examples/wuichangescreenbelowchangeinfoblock/client/ExampleChangeScreenExtensionTwo.java b/example-wuiChangeScreenBelowChangeInfoBlock/src/main/java/com/googlesource/gerrit/plugins/examples/wuichangescreenbelowchangeinfoblock/client/ExampleChangeScreenExtensionTwo.java
new file mode 100644
index 0000000..bced2ca
--- /dev/null
+++ b/example-wuiChangeScreenBelowChangeInfoBlock/src/main/java/com/googlesource/gerrit/plugins/examples/wuichangescreenbelowchangeinfoblock/client/ExampleChangeScreenExtensionTwo.java
@@ -0,0 +1,57 @@
+// Copyright (C) 2015 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package com.googlesource.gerrit.plugins.examples.wuichangescreenbelowchangeinfoblock.client;
+
+import com.google.gerrit.client.GerritUiExtensionPoint;
+import com.google.gerrit.client.info.ChangeInfo;
+import com.google.gerrit.client.info.ChangeInfo.RevisionInfo;
+import com.google.gerrit.plugin.client.extension.Panel;
+import com.google.gwt.user.client.ui.Grid;
+import com.google.gwt.user.client.ui.HTMLTable.CellFormatter;
+import com.google.gwt.user.client.ui.VerticalPanel;
+import com.google.gwtexpui.clippy.client.CopyableLabel;
+
+/** Extension for change screen that displays the numeric change ID with copy-to-clipboard icon. */
+public class ExampleChangeScreenExtensionTwo extends VerticalPanel {
+  static class Factory implements Panel.EntryPoint {
+    @Override
+    public void onLoad(Panel panel) {
+      panel.setWidget(new ExampleChangeScreenExtensionTwo(panel));
+    }
+  }
+
+  ExampleChangeScreenExtensionTwo(Panel panel) {
+    ChangeInfo change = panel.getObject(GerritUiExtensionPoint.Key.CHANGE_INFO).cast();
+    RevisionInfo rev = panel.getObject(GerritUiExtensionPoint.Key.REVISION_INFO).cast();
+
+    Grid g = new Grid(2, 2);
+    g.addStyleName("infoBlock");
+    CellFormatter fmt = g.getCellFormatter();
+
+    g.setText(0, 0, "(2) Numeric Change ID");
+    fmt.addStyleName(0, 0, "header");
+    fmt.addStyleName(0, 0, "topmost");
+    fmt.addStyleName(0, 1, "topmost");
+    g.setWidget(0, 1, new CopyableLabel(Integer.toString(change._number())));
+    add(g);
+
+    g.setText(1, 0, "(2) Patch Set ID");
+    fmt.addStyleName(1, 0, "header");
+    fmt.addStyleName(1, 0, "bottomheader");
+    fmt.addStyleName(1, 1, "bottomheader");
+    g.setWidget(1, 1, new CopyableLabel(String.valueOf(rev._number())));
+    add(g);
+  }
+}
diff --git a/example-wuiChangeScreenBelowChangeInfoBlock/src/main/java/com/googlesource/gerrit/plugins/examples/wuichangescreenbelowchangeinfoblock/client/ExamplePlugin.java b/example-wuiChangeScreenBelowChangeInfoBlock/src/main/java/com/googlesource/gerrit/plugins/examples/wuichangescreenbelowchangeinfoblock/client/ExamplePlugin.java
index 0a6e189..4e89d5b 100644
--- a/example-wuiChangeScreenBelowChangeInfoBlock/src/main/java/com/googlesource/gerrit/plugins/examples/wuichangescreenbelowchangeinfoblock/client/ExamplePlugin.java
+++ b/example-wuiChangeScreenBelowChangeInfoBlock/src/main/java/com/googlesource/gerrit/plugins/examples/wuichangescreenbelowchangeinfoblock/client/ExamplePlugin.java
@@ -33,6 +33,10 @@
     Plugin.get()
         .panel(
             GerritUiExtensionPoint.CHANGE_SCREEN_BELOW_CHANGE_INFO_BLOCK,
-            new ExampleChangeScreenExtension.Factory());
+            new ExampleChangeScreenExtension.Factory(), "first");
+    Plugin.get()
+        .panel(
+            GerritUiExtensionPoint.CHANGE_SCREEN_BELOW_CHANGE_INFO_BLOCK,
+            new ExampleChangeScreenExtensionTwo.Factory(), "second");
   }
 }
diff --git a/example-wuiChangeScreenHeader/src/main/java/com/googlesource/gerrit/plugins/examples/wuichangescreenheader/client/ExamplePlugin.java b/example-wuiChangeScreenHeader/src/main/java/com/googlesource/gerrit/plugins/examples/wuichangescreenheader/client/ExamplePlugin.java
index c9467b1..33c96a9 100644
--- a/example-wuiChangeScreenHeader/src/main/java/com/googlesource/gerrit/plugins/examples/wuichangescreenheader/client/ExamplePlugin.java
+++ b/example-wuiChangeScreenHeader/src/main/java/com/googlesource/gerrit/plugins/examples/wuichangescreenheader/client/ExamplePlugin.java
@@ -32,6 +32,7 @@
   public void onPluginLoad() {
     Plugin.get()
         .panel(
-            GerritUiExtensionPoint.CHANGE_SCREEN_HEADER, new ChangeScreenStatusExtension.Factory());
+            GerritUiExtensionPoint.CHANGE_SCREEN_HEADER,
+            new ChangeScreenStatusExtension.Factory(), "status");
   }
 }
diff --git a/example-wuiChangeScreenHeaderRightOfButtons/src/main/java/com/googlesource/gerrit/plugins/examples/wuichangescreenheaderrightofbuttons/client/ExamplePlugin.java b/example-wuiChangeScreenHeaderRightOfButtons/src/main/java/com/googlesource/gerrit/plugins/examples/wuichangescreenheaderrightofbuttons/client/ExamplePlugin.java
index 810dc5a..c2bf459 100644
--- a/example-wuiChangeScreenHeaderRightOfButtons/src/main/java/com/googlesource/gerrit/plugins/examples/wuichangescreenheaderrightofbuttons/client/ExamplePlugin.java
+++ b/example-wuiChangeScreenHeaderRightOfButtons/src/main/java/com/googlesource/gerrit/plugins/examples/wuichangescreenheaderrightofbuttons/client/ExamplePlugin.java
@@ -46,6 +46,6 @@
                     });
                 panel.setWidget(b);
               }
-            });
+            }, "library_compliance");
   }
 }
diff --git a/example-wuiChangeScreenHeaderRightOfPopDowns/src/main/java/com/googlesource/gerrit/plugins/examples/wuichangescreenheaderrightofpopdowns/client/ExamplePlugin.java b/example-wuiChangeScreenHeaderRightOfPopDowns/src/main/java/com/googlesource/gerrit/plugins/examples/wuichangescreenheaderrightofpopdowns/client/ExamplePlugin.java
index e9ed191..7bcd400 100644
--- a/example-wuiChangeScreenHeaderRightOfPopDowns/src/main/java/com/googlesource/gerrit/plugins/examples/wuichangescreenheaderrightofpopdowns/client/ExamplePlugin.java
+++ b/example-wuiChangeScreenHeaderRightOfPopDowns/src/main/java/com/googlesource/gerrit/plugins/examples/wuichangescreenheaderrightofpopdowns/client/ExamplePlugin.java
@@ -33,6 +33,6 @@
     Plugin.get()
         .panel(
             GerritUiExtensionPoint.CHANGE_SCREEN_HEADER_RIGHT_OF_POP_DOWNS,
-            new BuildsDropDownPanel.Factory());
+            new BuildsDropDownPanel.Factory(), "status");
   }
 }
diff --git a/example-wuiPreferenceScreenBottom/src/main/java/com/googlesource/gerrit/plugins/examples/wuipreferencescreenbottom/client/ExamplePlugin.java b/example-wuiPreferenceScreenBottom/src/main/java/com/googlesource/gerrit/plugins/examples/wuipreferencescreenbottom/client/ExamplePlugin.java
index 946bc89..8a88fba 100644
--- a/example-wuiPreferenceScreenBottom/src/main/java/com/googlesource/gerrit/plugins/examples/wuipreferencescreenbottom/client/ExamplePlugin.java
+++ b/example-wuiPreferenceScreenBottom/src/main/java/com/googlesource/gerrit/plugins/examples/wuipreferencescreenbottom/client/ExamplePlugin.java
@@ -33,6 +33,7 @@
     Plugin.get()
         .panel(
             GerritUiExtensionPoint.PREFERENCES_SCREEN_BOTTOM,
-            new ChangeScreenPreferencePanel.Factory());
+            new ChangeScreenPreferencePanel.Factory(),
+            "change_screen_preferences");
   }
 }
diff --git a/example-wuiProfileExtensionBottom/src/main/java/com/googlesource/gerrit/plugins/examples/wuiprofileextensionbottom/client/ExamplePlugin.java b/example-wuiProfileExtensionBottom/src/main/java/com/googlesource/gerrit/plugins/examples/wuiprofileextensionbottom/client/ExamplePlugin.java
index 8f2aad8..a537b27 100644
--- a/example-wuiProfileExtensionBottom/src/main/java/com/googlesource/gerrit/plugins/examples/wuiprofileextensionbottom/client/ExamplePlugin.java
+++ b/example-wuiProfileExtensionBottom/src/main/java/com/googlesource/gerrit/plugins/examples/wuiprofileextensionbottom/client/ExamplePlugin.java
@@ -32,6 +32,7 @@
   public void onPluginLoad() {
     Plugin.get()
         .panel(
-            GerritUiExtensionPoint.PROFILE_SCREEN_BOTTOM, new ExampleProfileExtension.Factory());
+            GerritUiExtensionPoint.PROFILE_SCREEN_BOTTOM,
+	    new ExampleProfileExtension.Factory(), "account_info");
   }
 }