Begin by clicking on the "Content" tab in the blue navbar, then click on the module you'd like to add a discussion topic to. NOTE: currently, you must create the discussion topic via the Content tab to use Lumi. Next, click on the "Create New" button at the top right of the page.

Next, click "Discussion"

Next, click on "Generate Discussion Ideas"

Select the number of ideas to generate and (optionally), what level of Bloom's Taxonomy the discussion will assess to. Also select which pieces of content in the module you'd like Lumi to "read" then click on the blue "Generate" button.

Select one idea from the list then the blue "Insert" button:

Edit your discussion's title, point value, settings, etc and click the blue "Save and Close" button when finished.