IIS Url Rewrite - new rule - Redirect a specific url to another

I am having a hard time creating a simple rule using the IIS Url rewrite module. It all it needs to do is redirect one URL To another.

From:   www.MySite.com/MyFunnyPage

To:  prod.Mysite.com/MyFunnyPage.

This was my best attempt, but it did not redirect when I went to the URL:

 <rule name="MyFunnyPage" stopProcessing="true">
                    <match url="MyFunnyPage" />
                    <conditions>
                        <add input="{HTTP_HOST}" pattern="http://www.MySite.com/" />
                    </conditions>
                    <action type="Redirect" url="http://prod.MySite.com/MyFunnyPage" />
                </rule>