When a tutor has documents in its knowledge base, its answers can show which of those documents it actually used. That makes it much easier to trust an answer, and much quicker to spot when a document is missing something.

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In the tutor's Settings, under Knowledge base, there is a second toggle called Knowledge base citations: "Show which document each answer came from, with the passage it drew on." It is off to begin with, so switch it on for the tutors where you want students to see where an answer came from.

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A document takes a moment to prepare after you upload it. You will see a Preparing knowledge base label while that happens, and the tutor can only cite the document once it is ready.

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When a tutor answers from its knowledge base, a row above the reply tells you so, reading something like 1 Knowledge Base Search. That is your signal that the answer came from your documents rather than from the model's general knowledge.

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If a search came back with nothing useful you will see a plain Searched Knowledge Base note instead, which is useful in itself: the tutor looked and did not find what it needed.

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Sentences drawn from a document end with a small numbered marker. Open one and you get three things:

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The same document keeps the same number throughout an answer, so repeated references are easy to follow. The markers are for reading on screen only: copying an answer, or having it read aloud, gives you clean text.

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Citations only show when the tutor actually searched its knowledge base for that answer. A question it can answer from general knowledge will not carry them, and neither will a tutor with no documents uploaded. Voice conversations do not use them either.

If you expected an answer to be grounded in your documents and it was not, that usually means the tutor did not search. Asking a more specific question, closer to the wording in your document, generally prompts it to look.