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The Forum function needs two overridden components:
ForumEventLifeCycle enables you to listen to the lifecycle of a forum. By implementing ForumEventLifeCycle, you can be notified of new posts and replies, categories and topics. This installation will be injected when the data flow is called to save data.
BBCodeRenderer is used in the core of Forum to render BBCodes. In which, the data input is text, containing BBCode tags. The data output will be BBCode tags which have been encrypted into HTML tags.