I created a content type that is used to display a list of videos hosted on brightcove. I have a module that is setting a cookie for the anonymous user when they watch one. My end goal is to display a viewed/unviewed icon for the user on the list.
I have all the data I need in the cookie. I just need to create a module that reads the cookie data and edits the render array for the content type. The issue is I am not sure how to add new values to that content type's render array. Is there a hook I can use to get access to the specific content type to add a key/value for viewed/unviewed? This is for drupal 7.
Thanks for the help.