1. A method for controlling parameters of objects in a building control system, comprising receiving input from at least one of said objects, wherein said at least one object is associated with a first subset of objects; selecting at least one parameter, wherein said at least one parameter depends on said input; selecting a second subset of objects from said objects, wherein said objects of said second subset are selected based on said at least one selected parameter; and performing a first action on objects in said second subset of objects.