In my model file, I have an existing ceiling grid in which I removed or demolished the 2x4 light fixtures. I then attempted to install new 2x4 light fixtures in the same locations. (The program would not let me copy light fixtures - there was an error saying that the object did not cut a hole in the host, so I inserted new light fixutres.) I needed the new light fixtures to be more visible, so I used 'overide the graphics' to darken the lines and shade the background. The 'overide graphics' does not show up in the annotation file that this model file is linking into. I have tried using a filter, and that does not show up in the annotaion file either. Oddly enough, this occurs whenever I try to install a new light in an existing ceiling grid, but not if I have a new light fixture in a new ceiling grid. One of the conveniences of a ceiling grid is that you can move light fixtures and HVAC grilles around with minimal effort, why am I having so much difficulty doing this in Revit? At this point, I am using the same light fixture in the new phase and overiding the graphics in the demolition phase to appear demolished and overiding the graphics in the new phase to be darker for new. The solution should be simpler. Please help me.