Step 1: add the lecture recording to the module Documents
- select the module "Documents".
- select "Add Material (new or existing)".
- select "Lectures" and open the page "All lectures".
- select the + sign in the column "Add to course".
Step 2: add the lecture recording as a step in your learning path
You can add lecture recordings as a step in a learning path, but not embedded in a document (= HTML page).