Kinect + Unity 3D project

1) When a User enters, Text message to appear saying "Detected subject.....Scanning the subject" my existing skeleton Avatar (fbx) to be introduced only when a user presence is found 2) When a user leaves, my skeleton model avatar to disappear from camera ....using dissolve shader effect Please note: You should connect to my PC and work as I have all the required environment setup already and I cannot share my existing code outside.