When uploading courses via a CSV file and selecting "single activity" as the course format, it would be great if you could pick which type of activity is used, rather than replying on the setting in the single activity plugin settings page of "Default type of activity".

So for example, the format could be something like:

format
singleactivity:page
singleactivity:forum
singleactivity:assign

The 'why' for this is when you import content using the 'templatecourse' field into a single activity set course format, the source activity has to match what the destination is set to (e.g. you cannot import and assignment into a single activity course that is set to page).