Even with the earlier pruning, a large school may still have too many events to comfortably view. For example, finding the next few months' varsity football games could be tricky when they're mixed in with all the other sporting events. To make this easier, we build a tree of collections so visitors can drill level-by-level into your taxonomy, homing in on their goal. As they descend, the monthly calendar view continually pares itself down until they reach a number of events they can comfortably comb through:
To add one of these drill-down categories, follow these steps:
1. Add a collection inside the Events collection, called, for example, "Sports". Turn on Inherit Criteria so this collection becomes a paring down of the one containing it. Save.
2. To make the monthly calendar view persist while visitors drill, choose Calendar from the new collection's Sub-types menu.
3. Add a Categories criterion to the collection to narrow the selection of events...