Eclipse Plugin Creator

I've successfully installed the Appian plugin in Eclipse Oxygen using below link as mentioned on another post

http://s3.amazonaws.com/appianplugins/eclipse/update/site.xml

But when trying to create a new Appian expression function, it won't proceed. Also, noticed in the screenshot below its "Appian 6". The latest Appian version is 17.2 that we're using. Is the link above an updated version or there's another valid link for the Appian SDK plugin.

Thanks in advance!

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