extension-configuration.xml

<ext:extension assignid="ViewItemsGroup" groupid="EditGroup" name="View" pageid="HomePage" insertbefore="PublishGroup">
  <ext:group>~/Controls/ViewItemsGroup.ascx</ext:group>
  <ext:dependencies>
    <cfg:dependency>My.Theme</cfg:dependency>
    <cfg:dependency>My.Commands</cfg:dependency>
  </ext:dependencies>
  <ext:apply>
    <ext:view name="DashboardView">
      <ext:control id="DashboardToolbar" />
    </ext:view>
    <ext:view name="PageView">
      <ext:control id="ItemToolbar" />
    </ext:view>
  </ext:apply>
</ext:extension>