Appearance Controller

what you can do with this node?
- Set Appearance Chance as a percentage
- Set Appearance Chance as the number of true times and number of false times
- Set Appearance Chance as Opposite of another object (if one appears the other disappears)
- Opposite object option
- 'true first' option for true/false mode

more details on the Thread video
https://youtu.be/FB3r834z6-4