1. A system comprising: a security system having a plurality of sensors and actuators within a building and a respective control feature embodied as a programmed processor and associated with operation of the security system and at least some of the plurality of sensors and actuators; a user display of a portable wireless device that depicts a portion of the building using a building information model (BIM); a user interface of the wireless device that receives a symbol drawn by a human user over part of the building portion; and a processor that correlates the symbol with a control feature of the security system based upon proximity of the symbol on the display with a location of a corresponding sensor or actuator of the control feature within the BIM model of the building.