Newsletter E-mail Opt-in / Opt-out example using Toolkit Newsletter Open API
User E-mail address to subscribe or unsuscribe
User action: subscribe or unsuscribe the E-mail specified above from the newsletterId specified below

Usually this value is constant and hidden. Used for reporting, it can be any string
Don't use this value in your app, it is only for testing. Usually this value is constant and hidden. To setup a Newsletter and obtain the newsletterId please email CN DIGITAL - TOOLKIT SUPPORT <_1DDC1C@CONDENAST.COM>
Don't use this value in your app, it is only for testing. Usually this value is constant and hidden. It must be the Site code associated with the previous newsletterId, for example VYF for Vanity Fair, NYR for the New Yorker, etc...

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