You can define and enable/disable symbols easily, with GUI interface.
How to use DefineManager
1. Open DefineManager. (Window / Define Manager)
2. input symbol.
3. click 'Add define' button.
4. click 'Apply' button.
watch video tutorial:
https://youtu.be/oJxIVQaP4sE
more informations:
http://avoex.com
https://www.facebook.com/avoexgames