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Custom Field Redirect Plugin Details — Download Again, for naughty guys and gals who use WordPress as a CMS, this plugin allows you to define a custom URL via a custom field on any page. Any time a user tries to access that page, it sends them to your custom URL. This plugin is ideal for adding external links to your navigation menu without adding code. Just make a new page, enter a key => value of redirect => URL and save the page. Voila! you now have a new navigation menu item that points at your external URL. Magic!