A system and method are provided for obtaining a 3D cue path and timing. In one example aspect, this path and timing may be manipulated in software. In another example aspect, one or more conditions may be specified which pertain to the path, timing, state of the path's environment, or state of one or more objects or actors in the path's environment. In another example aspect, these conditions may be accompanied by specifications for one or more actions to be taken if one or more of the conditions are or are not satisfied. In another example aspect, a person or object may be monitored as they follow the path, and prescribed actions may be taken if the specified conditions are or are not found to be satisfied.