Yes! This can be done in a matter of clicks.
All modules
Add an interactive module to your version and select the module followed by the asterisk icon from the fly-out menu.
Tick the mandatory checkbox for the interactivity followed by 'Edit Message'.
A custom incomplete message can then be entered for the interactivity.
Select OK followed by Save.



Assessment modules
If you are creating an assessment, such as a quiz, a specific result can be made mandatory (for example, a pass result).
Click the interactivity you wish to make mandatory followed by the asterisk icon in the fly-out menu.
Tick the mandatory checkbox for the result you wish to make mandatory followed by 'Edit Message'.
A custom incomplete message can then be entered. Select OK followed by Save.

Helpful links
Other articles in the ‘Adding, editing and deleting interactivity’ series
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