Manage AI agent chat sessions with timeouts, handoff, and webhooks

by Paulina Urbina ✓ · 9 views · created 2026-08-31 · Support Chatbot, AI Chatbot

What this workflow does

This workflow has 18 nodes and runs when an HTTP POST request hits its webhook URL (plus 1 other trigger). It uses only n8n's built-in nodes.

How it runs

Trigger: When an HTTP POST request hits its webhook URL (plus 1 other trigger).

1. Normalize Message Input (Code): runs custom JavaScript code
2. Normalize Command Input (Code): runs custom JavaScript code
3. Configure Session Parameters (Code): runs custom JavaScript code
4. Route by Request Type (Switch): routes items into 2 branches
5. Fetch Latest Session (Data table): get
6. Fetch Session for Control (Data table): get
7. Evaluate Session State (Code): runs custom JavaScript code
8. Execute Session Command (Code): runs custom JavaScript code
9. Route by Session Status (Switch): routes items into 7 branches
10. Modify Session State (Data table): update

…plus 6 more steps. See the full node list below.

Before you upgrade to n8n 3.0

Nodes used (4)

• Webhookn8n-nodes-base.webhook
• Coden8n-nodes-base.code
• Data tablen8n-nodes-base.dataTable
• Switchn8n-nodes-base.switch

From the author

Quick overview This workflow exposes two webhooks that manage an AI agent’s session lifecycle in an n8n Data Table, including session creation, TTL-based expiration, pause/auto-resume, human handoff, manual resume, close, and optional message deduplication.…

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