{"product_id":"cold-chain-incident-dispatch-with-n8n-twilio-sheets-gmail","title":"Cold-Chain Incident Dispatch with n8n: Twilio, Sheets \u0026 Gmail","description":"\u003ch3\u003eCold-Chain Alert Dispatch Made Automatic with n8n (Twilio, Google Sheets \u0026amp; Gmail)\u003c\/h3\u003e\n\u003cp\u003eThis n8n workflow receives cold-chain temperature alerts via webhook, checks your client SLA rules in Google Sheets, determines severity, and automatically dispatches an on-call technician using \u003cstrong\u003eTwilio SMS\u003c\/strong\u003e—while tracking acknowledgements, escalations, and daily SLA reporting.\u003c\/p\u003e\n\n\u003ch3\u003eWhat this workflow does\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIngests alerts via webhook\u003c\/strong\u003e: Accepts a POST webhook alert, normalizes the payload, and rejects invalid requests with a \u003cstrong\u003e400\u003c\/strong\u003e response.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eValidates client contracts\u003c\/strong\u003e: Looks up the client ID in \u003cstrong\u003eGoogle Sheets\u003c\/strong\u003e and returns \u003cstrong\u003e404\u003c\/strong\u003e for unknown client IDs.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDetects likely defrost-cycle spikes\u003c\/strong\u003e: If the reading resembles a defrost-cycle spike, logs the observation to Google Sheets and returns \u003cstrong\u003e202\u003c\/strong\u003e without dispatching.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCalculates severity + SLA deadlines\u003c\/strong\u003e: Computes severity and SLA deadlines, checks for existing open tickets for the same client\/equipment, and suppresses duplicates using an audit log (\u003cstrong\u003e200\u003c\/strong\u003e response).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDispatches certified technicians\u003c\/strong\u003e: Selects an available certified technician from a Sheets roster. Creates either an \u003cstrong\u003eUNASSIGNED\u003c\/strong\u003e ticket (notifying the on-call lead by Twilio SMS) or a \u003cstrong\u003eDISPATCHED\u003c\/strong\u003e ticket (locking the technician as \u003cstrong\u003eON_JOB\u003c\/strong\u003e and notifying both technician and client via Twilio SMS).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHandles technician status updates\u003c\/strong\u003e: Receives accept\/decline\/on-site\/resolved updates via callback webhook, updates Google Sheets state, logs the event, and returns an HTML confirmation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAutomates SLA monitoring \u0026amp; escalation\u003c\/strong\u003e: Runs every 5 minutes to evaluate SLA progress, reassign\/escalate as needed, sends Twilio escalation SMS\/voice calls, and updates ticket\/technician status in Google Sheets.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eUse cases\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eAuto-dispatch technicians when refrigerated equipment deviates from cold-chain temperature thresholds.\u003c\/li\u003e\n  \u003cli\u003ePrevent duplicate incident creation for the same client\/equipment through ticket suppression logic.\u003c\/li\u003e\n  \u003cli\u003eOperational monitoring that escalates within SLA using Twilio notifications and Sheets-based audit trails.\u003c\/li\u003e\n  \u003cli\u003eCentralized daily SLA reporting supported through Google Sheets with email capabilities via Gmail.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical details\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003en8n nodes\/integrations\u003c\/strong\u003e: if, set, code, gmail, filter, twilio\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eData store\u003c\/strong\u003e: Google Sheets (client SLA rules, technician roster, ticket\/audit logs, SLA reporting)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMessaging\u003c\/strong\u003e: Twilio SMS for technician\/client and escalation, including voice calls for escalations\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInterfaces\u003c\/strong\u003e: Webhook POST ingestion + callback webhook for technician updates, with HTTP status handling (400\/404\/202\/200)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"N8N Commerce","offers":[{"title":"Default Title","offer_id":46160840491187,"sku":"N8N-20428","price":2.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0749\/6279\/6723\/files\/bAfNsingMPbkmPBfPg66_J5SFYzMd.png?v=1791190910","url":"https:\/\/buyflowscripts.com\/products\/cold-chain-incident-dispatch-with-n8n-twilio-sheets-gmail","provider":"N8N Commerce","version":"1.0","type":"link"}