Redirect to different specific pages

Hi,

I want to put the login widget in a content Post that only allows the reader to read the 1st paragraph. Then when they either click on the registration or login button, fill in the form, I want to redirect them directly to the link displaying the full content. From what I see, it seems there’s only a default link for a redirect page in the settings. But, is there a short code parameter that can be used to tell the login/registration to send user to the page in that parameter afterwards?

I’d like to do this for several new blog posts within my membership site going forward. They each will be different URLs, and remain in tact as set, despite new ones created.

Thanks!