To add a toggle button for chams (highlight) and implement the functionality to toggle it, you can introduce the necessary UI elements and the corresponding logic. Here's how you can do that while ensuring your original code remains unchanged:
1. Add a toggle button for chams to the UI.
2. Implement the logic to create and remove chams for players.
Below is the additional code you need to insert after your existing code:
```lua
-- Chams Toggle


