This is a short DNN Manifest configuration section that allows you to register an HTTPModule in your web.config file.

DNN Manifest Config Component

<component type="Config">
  <config>
    <configFile>web.config</configFile>
    <install>
      <configuration>
        <nodes>
          <node path="/configuration/system.webServer/modules" action="update" key="name" collision="overwrite">
            <add name="MyModuleAPI" type="DotNetNuke.Modules.MyModule.Components.InitializeApplication, MyModule" preCondition="managedHandler"/>
          </node>
        </nodes>
      </configuration>
    </install>
    <uninstall>
      <configuration>
        <nodes >
          <node path="/configuration/system.webServer/modules/add[@name='MyModuleAPI']" action="remove" />
        </nodes>
      </configuration>
    </uninstall>
  </config>
</component>