While use of this modification is discouraged under most circumstances it may be useful if you operate a religious chat or a chat room that is for teens and you'd like to prevent them from finding other chats on the network that might be inappropriate.

Add these lines:
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We discourage this modification as the vast majority of our channels are suitable to all audiences and it prevents your users from finding them. Most people like to participate in multiple chats at once and by limiting them to just yours you may actually discourage them from using yours altogether.