No support.
The primary objective of the chat bar is to allow users to communicate to other users. It's not there to be used as a way to run scripts, that's the whole reason studio exists, aswell as the various test modes. Anything you could do in a "script builder" you can do in your own place, even without putting in something to make it work for you alone.
Your idea also wouldn't work. Making certain phrases "illegal" could easily be circumvented, simply by using loadstring on a reversed string, after reversing it back. You would also block legitimate scripters, or scripting discussion. |