Hello! I'm pretty new to modding and I'm trying to figure out how I can have custom fire services respond in different regions with Ultimate Backup, for example having ARFF trucks respond when calling for a fire truck at the airport or having BCoFD trucks respond in Sandy Shores and Paleto Bay. I have addon vehicles for every region but I'm just having trouble getting them to respond in their jurisdictions. Is this even possible to do? Many thanks!