Add a figure representative of your notebook. From the toolbar: Insert -> Figure. This could be an image of the final plot, or a screenshot of your executable environment.
Provide a link to the executable/runnable notebook. If your notebook runs Python version 2.7.6 (or lower), you can upload it directly to Authorea, clicking on the Figure and selecting Attach code / notebook (
read more here). Otherwise, you can upload it to
Binder or
Pangeo, then obtain a public link to it. Click the figure and insert the link in "Link to Data". A Data Link icon will appear will appear in the top left corner, as shown in Figure
\ref{568747}.