Custom Workflow - Add Link

Creating a Custom Workflow and want to add a link from the workflow to my library -- to a specific book and specific page. An example can be seen in the Passage Exegesis workflow in Examine Literary Types ...Further Reading. I can see a hyperlink tool when I am editing my workflow, but not sure what to insert in the box that displays to get the result I want. Checked Software help, Logos Videos, Mo's videos and called customer support. No luck in any of these places.