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Build an AI Help Chatbot from Your Docs with FlowFn

Your help center already has the answers — customers just won't read it. An AI assistant that reads your docs for them, answers in plain language, cites the source article, and hands off to a human when it's stumped will deflect most of your repetitive tickets. You can build one in FlowFn without training a model or wiring up a vector database: put your articles in a Data Sheet, point an Agent at them, and embed the widget.

FlowFn Team · Product

16 Jul 2026 · 3 min read

This is a recipe — each part is its own FlowFn feature, wired together into a grounded help bot:

Architecture: visitor → chat widget → help agent that searches your knowledge-base Data Sheet and escalates to Slack when unsure

Piece FlowFn feature
Your help articles a Data Sheet
The assistant an Agent grounded in those docs
Answering the agent's AI + its attached knowledge
Escalation a Slack Platform Tool
Where it lives the Agent embed on your site

Let's build it.


Step 1 — Put your docs where the agent can read them

Create a Data Sheet for your help articles — one row per doc, with a title, category, URL, and the content. This is your knowledge base, and keeping it as rows means you can add, edit, and re-categorize articles anytime without touching the agent.

The Lumen Docs knowledge base as a Data Sheet — help articles with title, category, and URL

(You can also upload PDFs and markdown as the agent's Knowledge files — a Data Sheet is the tidiest option when your docs are short and you want to keep editing them.)

Step 2 — Point an agent at your docs

Create an Agent, attach the articles sheet as a read-only knowledge source, and give it one clear instruction: answer only from the help articles, cite the doc you used, and if the docs don't cover it, say so and offer a human. That grounding rule is the whole difference between a useful assistant and a confident liar — the agent stays inside your content instead of inventing answers.

Step 3 — Test it before anyone sees it

The Test tab runs the real agent — same instructions, same tools, same knowledge — so you can check its answers before you publish:

The agent answering "How do I connect Slack?" grounded in the docs, citing /docs/slack

Ask it the questions your support inbox actually gets. Notice it links the source article (/docs/slack) — a grounded bot shows its work, which builds trust and gives the visitor somewhere to go next. Tune the instructions until the answers are right, then move on.

Step 4 — Escalate what it can't answer

Add a Slack Platform Tool and one rule: when the docs don't cover the question, post it to #support and tell the visitor a human will follow up. Now the bot handles the long tail of repetitive questions on its own, and the genuinely new ones land in front of your team — with the visitor's question already written down.

Step 5 — Embed it

Drop the Agent embed snippet on your site (or share its hosted page) and the assistant is live. Every question it answers is a ticket your team never sees; every question it escalates is one worth a human's time.


Why this beats a canned chatbot

  • It's grounded in your docs, not the whole internet. The agent answers from your articles and links them — no hallucinated policies, no made-up prices.
  • Editing docs updates the bot. Change an article in the sheet and the next answer reflects it. There's no re-training step.
  • It knows when to tap out. The escalation rule means "I don't know" becomes a routed ticket, not a dead end.

Wrap-up

An AI help bot is a knowledge-base Data Sheet → an agent grounded in it → an escalation rule → an embed. The docs supply the truth, the agent does the reading and phrasing, and Slack catches whatever falls through — all without a model to train or a vector store to run.

Start with your ten most-asked questions as ten rows and a strict "answer only from these" instruction. Test it against your real inbox, add the escalation, and embed it. Let your docs answer the tickets they already contain.

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