When dealing with many choices, it can be beneficial to group them under “categories”.
The group option is designed for this.
- To create a group, go to Content (1), and create a new choice in the desired layer.
- Then enable the option “Use as group” (2).
- A drop zone will appear under the current choice, in which you can drag the desired choices (3).

- Once you have added the choices under the desired categories, they will appear in the front end categorised:

