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The Chat Tab allows you to see a log of the latest discussion with an NPCEditor controlled character, and interact with a character independent of other tools.  You don't do not need a renderer or any other components.  The body of the tab is by default a maximized chat interface.  Users may enter what they wish to say to a character at the bottom, and the classifier will select the best response and print it to the Conversation Log.  

For  For example, as you speak to Brad with your microphone, you will see your speech and Brad's responses populate the log.  If you wish to type an answer, you may do so here by selecting the user to speak as, typing your utterance, then clicking "Enter Question" in the bottom right.  If Unity or another engine is running, Brad should speak and respond there, as well as in his window.  Even without any other components running, you can test text interaction with a character through this interface.

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