Workflow: build automation using n8n for Lemlist Slack Automate Webhook
Integrations: httpRequest, lemlist, lemlistTrigger, markdown, merge, slack, stickyNote, switch

{"meta": {"instanceId": "2b1cc1a8b0a2fb9caab11ab2d5eb3712f9973066051b2e898cf4041a1f2a7757", "templateCredsSetupCompleted": true}, "nodes": [{"id": "7786165e-5e74-4614-b065-86db19482b72", "name": "Format text with Markdown", "type": "n8n-nodes-base.markdown", "position": [-1200, 980], "parameters": {"html": "={{ $json.text }}", "options": {}, "destinationKey": "textClean"}, "typeVersion": 1, "continueOnFail": true}, {"id": "8f73d4d6-2473-4fdf-8797-c049d6df6967", "name": "Lemlist Trigger - On new reply", "type": "n8n-nodes-base.lemlistTrigger", "position": [-1600, 980], "webhookId": "039bb443-8d2a-4eb3-9c16-772943a46db7", "parameters": {"event": "emailsReplied", "options": {"isFirst": true}}, "typeVersion": 1}, {"id": "1f94d672-0a70-45ad-bf96-72c4aecabcd0", "name": "Sticky Note", "type": "n8n-nodes-base.stickyNote", "position": [-1700, 680], "parameters": {"width": 304.92548549441915, "height": 504.9663351162785, "content": "### Get your lemlist API key\n\n1. Go to your lemlist account or create one [HERE](https://app.lemlist.com/create-account)\n\n2. Go to Settings -> Integrations\n\n3. Generate your API Key and copy it\n\n4. On this node, click on create new credential and paste your API key"}, "typeVersion": 1}, {"id": "3032b04c-76a2-4f7c-a790-ede26b102254", "name": "Sticky Note1", "type": "n8n-nodes-base.stickyNote", "position": [-2040, 680], "parameters": {"width": 319.6621253622332, "height": 507.1074887209538, "content": "# Read me\n\nThis workflow send email replies of your lemlist campaigns to the Slack channel of your choice.\n\nThe OpenAI node will classify the reply status. \n\nThe Slack alert is structured in a way that make it easy to read for the user."}, "typeVersion": 1}, {"id": "df142fcb-f5ec-475d-8f90-c0bd064d390c", "name": "OpenAI Chat Model", "type": "@n8n/n8n-nodes-langchain.lmChatOpenAi", "position": [-760, 1320], "parameters": {"model": "gpt-4o", "options": {}}, "typeVersion": 1}, {"id": "1fa6d12c-2555-42c6-8f80-b24dc3608ed7", "name": "Structured Output Parser", "type": "@n8n/n8n-nodes-langchain.outputParserStructured", "position": [-600, 1320], "parameters": {"schemaType": "manual", "inputSchema": "{\n\t\"type\": \"object\",\n\t\"properties\": {\n\t\t\"category\": {\n\t\t\t\"type\": \"string\"\n }\n\t}\n}"}, "typeVersion": 1.2}, {"id": "734013f9-d058-4f08-9026-a41cd5877a3b", "name": "Send alert to Slack", "type": "n8n-nodes-base.slack", "position": [320, 700], "parameters": {"text": "=", "select": "channel", "blocksUi": "={\n\t\"blocks\": [\n\t\t{\n\t\t\t\"type\": \"section\",\n\t\t\t\"text\": {\n\t\t\t\t\"type\": \"mrkdwn\",\n\t\t\t\t\"text\": \":raised_hands: New reply in lemlist!\\n\"\n\t\t\t}\n\t\t},\n\t\t{\n\t\t\t\"type\": \"section\",\n\t\t\t\"fields\": [\n\t\t\t\t{\n\t\t\t\t\t\"type\": \"mrkdwn\",\n\t\t\t\t\t\"text\": \"*Categorized as:*\\n{{ $json[\"output\"][\"category\"] }}\"\n\t\t\t\t},\n\t\t\t\t{\n\t\t\t\t\t\"type\": \"mrkdwn\",\n\t\t\t\t\t\"text\": \"*Campaign:*\\n<https://app.lemlist.com/teams/{{ $json[\"teamId\"] }}/reports/campaigns/{{ $json[\"campaignId\"] }}|{{ $json[\"campaignName\"] }}>\"\n\t\t\t\t},\n\t\t\t\t{\n\t\t\t\t\t\"type\": \"mrkdwn\",\n\t\t\t\t\t\"text\": \"*Sender Email:*\\n{{ $json[\"sendUserEmail\"] }}\"\n\t\t\t\t},\n\t\t\t\t{\n\t\t\t\t\t\"type\": \"mrkdwn\",\n\t\t\t\t\t\"text\": \"*Lead Email:*\\n{{ $json[\"leadEmail\"] }}\"\n\t\t\t\t},\n\t\t\t\t{\n\t\t\t\t\t\"type\": \"mrkdwn\",\n\t\t\t\t\t\"text\": \"*Linkedin URL:*\\n{{ $json[\"linkedinUrl\"] }}\"\n\t\t\t\t}\n\t\t\t]\n\t\t},\n\t\t{\n\t\t\t\"type\": \"section\",\n\t\t\t\"text\": {\n\t\t\t\t\"type\": \"mrkdwn\",\n\t\t\t\t\"text\": \"*Reply preview*:\\n{{ JSON.stringify($json[\"textClean\"]).replace(/^\"(.+(?=\"$))\"$/, '$1').substring(0, 100) }}\"\n\t\t\t}\n\t\t}\n\t]\n}", "channelId": {"__rl": true, "mode": "name", "value": "automated_outbound_replies"}, "messageType": "block", "otherOptions": {"botProfile": {"imageValues": {"icon_emoji": ":fire:", "profilePhotoType": "emoji"}}, "unfurl_links": false, "includeLinkToWorkflow": false}}, "typeVersion": 2.1}, {"id": "0558c166-16d7-4c26-a09c-fb46c2b6b687", "name": "Lemlist - Unsubscribe", "type": "n8n-nodes-base.lemlist", "position": [300, 1000], "parameters": {"email": "={{ $json[\"leadEmail\"] }}", "resource": "lead", "operation": "unsubscribe", "campaignId": "={{$json[\"campaignId\"]}}"}, "typeVersion": 1}, {"id": "79d17d20-a60a-4b5a-a83c-821cac265b17", "name": "lemlist - Mark as interested", "type": "n8n-nodes-base.httpRequest", "position": [300, 1260], "parameters": {"url": "=https://api.lemlist.com/api/campaigns/{{$json[\"campaignId\"]}}/leads/{{$json[\"leadEmail\"]}}/interested", "options": {}, "requestMethod": "POST", "authentication": "predefinedCredentialType", "nodeCredentialType": "lemlistApi"}, "typeVersion": 2}, {"id": "04f74337-903c-481a-95ca-a1d4a5985b9e", "name": "Categorize lemlist reply", "type": "@n8n/n8n-nodes-langchain.chainLlm", "position": [-780, 1120], "parameters": {"text": "=Classify the [email_content] in one only of the following categories: \n\nCategories=[\"Interested\", \"Out of office\", \"Unsubscribe\", \"Not interested\", \"Other\"] \n\n- Interested is when the reply is positive, and the person want more information or a meeting \n\nDon't output quotes like in the next example: \nemail_content_example:Hey I would like to know more \ncategory:Interested\n\nemail_content:\"{{ $json.textClean }}\" \n\nOnly answer with JSON in the following format:\n{\"replyStatus\":category}\n\nJSON:", "promptType": "define", "hasOutputParser": true}, "typeVersion": 1.4}, {"id": "c1d66785-e096-4fd7-90de-51c7b9117413", "name": "Merge data", "type": "n8n-nodes-base.merge", "position": [-280, 1000], "parameters": {"mode": "combine", "options": {}, "combinationMode": "mergeByPosition"}, "typeVersion": 2.1}, {"id": "bf21f5b9-6978-4657-a0a2-847265cff31e", "name": "Sticky Note2", "type": "n8n-nodes-base.stickyNote", "position": [260, 520], "parameters": {"width": 480.38008828116847, "height": 341.5885389153657, "content": "### Create a Slack notification for each new replies\n\n1. Connect your Slack account by clicking to add Credentials\n\n2. Write the name of the channel where you want to send the Slack alert"}, "typeVersion": 1}, {"id": "024b4399-8e20-4974-986d-6c1ee4103fa0", "name": "Route reply to the right branch", "type": "n8n-nodes-base.switch", "position": [-100, 1000], "parameters": {"rules": {"values": [{"outputKey": "Send all replies to Slack", "conditions": {"options": {"leftValue": "", "caseSensitive": true, "typeValidation": "strict"}, "combinator": "and", "conditions": [{"operator": {"type": "string", "operation": "exists", "singleValue": true}, "leftValue": "={{ $json.output.category }}", "rightValue": ""}]}, "renameOutput": true}, {"outputKey": "Unsubscribe", "conditions": {"options": {"leftValue": "", "caseSensitive": true, "typeValidation": "strict"}, "combinator": "and", "conditions": [{"id": "9ad6f5cd-8c50-4710-8eaf-085e8f11f202", "operator": {"name": "filter.operator.equals", "type": "string", "operation": "equals"}, "leftValue": "={{ $json.output.category }}", "rightValue": "Unsubscribe"}]}, "renameOutput": true}, {"outputKey": "Interested", "conditions": {"options": {"leftValue": "", "caseSensitive": true, "typeValidation": "strict"}, "combinator": "and", "conditions": [{"id": "cb410bcc-a70c-4430-aec1-b71f3f615c4d", "operator": {"name": "filter.operator.equals", "type": "string", "operation": "equals"}, "leftValue": "={{ $json.output.category }}", "rightValue": "Interested"}]}, "renameOutput": true}]}, "options": {"allMatchingOutputs": true}}, "typeVersion": 3}, {"id": "f9f23daa-f7a9-49f9-8ffb-16798656af73", "name": "Sticky Note3", "type": "n8n-nodes-base.stickyNote", "position": [260, 900], "parameters": {"width": 480.38008828116847, "height": 256.5682017131378, "content": "### Save time by automatically unsubscribing leads that don't want to receive emails from you"}, "typeVersion": 1}, {"id": "63c536bd-e624-4118-b0c8-38c07f2d1955", "name": "Sticky Note4", "type": "n8n-nodes-base.stickyNote", "position": [260, 1200], "parameters": {"width": 480.38008828116847, "height": 256.5682017131378, "content": "### Mark interested leads as interested in lemlist"}, "typeVersion": 1}, {"id": "8ed8b714-8196-4593-87b8-18c6a7318fbe", "name": "Sticky Note5", "type": "n8n-nodes-base.stickyNote", "position": [-880, 875.46282303881], "parameters": {"width": 480.38008828116847, "height": 608.2279357257166, "content": "### Categorize the reply with OpenAI"}, "typeVersion": 1}, {"id": "6b1846df-0214-4383-87cf-55232093ae2a", "name": "Sticky Note6", "type": "n8n-nodes-base.stickyNote", "position": [-1320, 880], "parameters": {"width": 336.62085535637357, "height": 311.3046602455328, "content": "### This node will clean the text and make sure it looks pretty on Slack"}, "typeVersion": 1}, {"id": "f7378ecd-e8d2-4204-a883-3161be601ffc", "name": "Sticky Note7", "type": "n8n-nodes-base.stickyNote", "position": [-220, 880], "parameters": {"width": 336.62085535637357, "height": 311.3046602455328, "content": "### Trigger a different scenario according to the category of the reply"}, "typeVersion": 1}], "pinData": {}, "connections": {"Merge data": {"main": [[{"node": "Route reply to the right branch", "type": "main", "index": 0}]]}, "OpenAI Chat Model": {"ai_languageModel": [[{"node": "Categorize lemlist reply", "type": "ai_languageModel", "index": 0}]]}, "Categorize lemlist reply": {"main": [[{"node": "Merge data", "type": "main", "index": 1}]]}, "Structured Output Parser": {"ai_outputParser": [[{"node": "Categorize lemlist reply", "type": "ai_outputParser", "index": 0}]]}, "Format text with Markdown": {"main": [[{"node": "Merge data", "type": "main", "index": 0}, {"node": "Categorize lemlist reply", "type": "main", "index": 0}]]}, "Lemlist Trigger - On new reply": {"main": [[{"node": "Format text with Markdown", "type": "main", "index": 0}]]}, "Route reply to the right branch": {"main": [[{"node": "Send alert to Slack", "type": "main", "index": 0}], [{"node": "Lemlist - Unsubscribe", "type": "main", "index": 0}], [{"node": "lemlist - Mark as interested", "type": "main", "index": 0}]]}}}