n8n Chat Webhook: JavaScript Returns Markdown Code Sample

Instant Markdown Sample From an n8n Chat Webhook

With this n8n Chat Webhook workflow, every time your chat client sends a message, the workflow responds with a prebuilt JavaScript-generated Markdown document showcasing common formatting elements.

What this workflow does

• Receives incoming messages using an n8n Chat trigger webhook.
• Generates a fixed Markdown document in JavaScript on each request, including:
  • Lists
  • Emphasis (e.g., bold/italic)
  • Inline code
  • A code block
  • A blockquote
  • A table
• Outputs the Markdown as the workflow response, so your chat or HTTP caller receives ready-to-render Markdown immediately.

Use cases

• Markdown formatting demonstrations for teams testing chat rendering or documentation styles.
• Quick UI/content previews in SaaS apps where you want consistent Markdown examples returned from an API endpoint.
• Automation engineering validation: verify webhook request/response behavior in n8n Chat integrations using a known, repeatable output.

Technical details

• Trigger: n8n Chat trigger webhook (public endpoint).
• Processing: Code node that returns a JavaScript-generated Markdown sample.
• Workflow components: code and n8n-nodes-langchainchat trigger (n8n Chat trigger).

Setup

• Activate the workflow.
• Copy the public Chat trigger webhook URL.
• Configure your chat client or HTTP caller to send messages to the webhook endpoint.