There are a few ways to get the content into Darzin:
Use the Interaction Import template to import in your media content
Copy and paste the data from the online content into the message box
Just copy and paste the url of the article into the message box - that's all you need...seriously! See the screenshot below - with just the url you can run sentiment analysis.
Note that to run qualitative analysis using your Classification Tree, you will need to use option 1 or 2 above and have the actual text in the message box,