We have territories and subterritories. A territory could be like the province/county while the subterritory could be the city that is linked to the province/county. In the schedule board we need to have an overview of the planning on the territory level and when specifically scheduling on city level it should be possible to also filter on the subterritory level. This would mean that we have one filter "territory" and a second filter "subterritory" BUT the dropdown of the subterritory (second filter) should be limited to the subterritories linked to the territory (first filter). Otherwise, you can select a subterritory that is not even part of the territory. There is no way to make filter depending at the moment.