How to add an interaction to a bubble
- Each bubble has a blue '+' sign. Use this little add button, to start adding interactions to your bubble

- Clicking this button opens the 'Interaction Picker'

- The 'Interaction Picker' shows you all the interactions you can add to your course. On the left side, you can click on the interaction, to then get an example of what this interaction looks like, on the right side

- Click on 'Add Interaction' to add the 'MultiSelect Quiz' to your bubble

- You can now see that the interaction has been added to the bubble

- On the right side you can now fill in the quiz or click on the '+'-sign again to add another interaction