Pre-meeting email nurturing sequence with Cal.com and Gmail

{
  "name": "Pre-meeting email nurturing sequence with Cal.com and Gmail + BillionVerify",
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      "webhookId": "419db506-3586-4c55-908b-d15efb6677a0",
      "parameters": {
        "events": [
          "BOOKING_CREATED"
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        "options": {}
      },
      "credentials": {
        "calApi": {
          "id": "credential-id",
          "name": "calApi Credential"
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              "leftValue": "={{ $json.is_company_email }}",
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      "parameters": {
        "jsCode": "// Get meeting start time from original Cal.com data\nconst meetingStartTime = $('Extract prospect').item.json.meeting_start_time;\n\n// Calculate days until meeting\nconst meetingDate = new Date(meetingStartTime);\nconst today = new Date();\nconst diffTime = meetingDate - today;\nconst diffDays = Math.ceil(diffTime / (1000 * 60 * 60 * 24));\n\n// Get all previous data\nconst prospectData = $('Extract prospect').item.json;\nconst aiData = $input.item.json;\n\nreturn {\n  json: {\n    // Original prospect data\n    attendee_email: prospectData.attendee_email,\n    attendee_name: prospectData.attendee_name,\n    meeting_start_time: prospectData.meeting_start_time,\n    meeting_title: prospectData.meeting_title,\n    email_domain: prospectData.email_domain,\n    company_name: prospectData.company_name,  // ← ADDED\n    website_url: prospectData.website_url,\n    \n    // AI analysis data\n    has_website_data: aiData.has_website_data,\n    business_type: aiData.business_type,\n    tech_stack: aiData.tech_stack,\n    likely_pain_points: aiData.likely_pain_points,\n    personalization_hook: aiData.personalization_hook,\n    \n    // Days calculation\n    days_until_meeting: diffDays\n  }\n};"
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        "jsCode": "// Get attendee email from Cal.com webhook\nconst attendeeEmail = $input.item.json.attendees[0].email;\nconst attendeeName = $input.item.json.attendees[0].name;\nconst meetingStartTime = $input.item.json.startTime;\nconst meetingTitle = $input.item.json.eventTitle;\n\n// Get company name from custom field (if provided)\nconst companyName = $input.item.json.responses['Company-Name']?.value || null;\n\n// Extract domain from email\nconst domain = attendeeEmail.split('@')[1];\n\n// List of consumer email providers\nconst consumerDomains = [\n  'gmail.com', 'yahoo.com', 'outlook.com', 'hotmail.com',\n  'aol.com', 'icloud.com', 'protonmail.com', 'mail.com',\n  'live.com', 'msn.com', 'ymail.com', 'googlemail.com'\n];\n\n// Check if it's a company email\nconst isCompanyEmail = !consumerDomains.includes(domain.toLowerCase());\n\n// Build website URL - use company name if provided and consumer email, otherwise use domain\nlet websiteUrl = null;\nif (companyName && !isCompanyEmail) {\n  // They gave us company name but have Gmail - try to build URL from company name\n  websiteUrl = `https://${companyName.toLowerCase().replace(/\\s+/g, '')}.com`;\n} else if (isCompanyEmail) {\n  // Company email - use domain\n  websiteUrl = `https://${domain}`;\n}\n\nreturn {\n  json: {\n    attendee_email: attendeeEmail,\n    attendee_name: attendeeName,\n    meeting_start_time: meetingStartTime,\n    meeting_title: meetingTitle,\n    email_domain: domain,\n    company_name: companyName,\n    is_company_email: isCompanyEmail,\n    website_url: websiteUrl\n  }\n};"
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              "value": "={{(() => {\n  const firstName = $json.attendee_name.split(' ')[0];\n  const company = $json.company_name;\n  const rawDate = new Date($json.meeting_start_time);\n  const now = new Date();\n\n  const isTomorrow = rawDate.getDate() === (now.getDate() + 1) &&\n                     rawDate.getMonth() === now.getMonth() &&\n                     rawDate.getFullYear() === now.getFullYear();\n\n  const options = { hour: 'numeric', minute: '2-digit', hour12: true };\n  const timeString = rawDate.toLocaleTimeString('en-US', options).toLowerCase().replace(':00', '');\n\n  const daysOfWeek = ['Sunday','Monday','Tuesday','Wednesday','Thursday','Friday','Saturday'];\n  const dayName = daysOfWeek[rawDate.getDay()];\n\n  const friendlyTime = isTomorrow ? `${timeString} tomorrow` : `${timeString} on ${dayName}`;\n\n  return `Hey ${firstName},\n\nAppreciate you booking — looking forward to chatting at ${friendlyTime}.\n\nTo make this actually useful for both of us, quick q’s:\n\n– What’s the biggest thing you’re stuck on right now?\n– Are you the main decider on this, or is someone else looped in?\n\nDoesn’t need to be a long reply — just gives me a bit of context so I can prep around what matters for ${company}.\n\nCatch you soon 🙏`;\n})()}}\n"
            }
          ]
        }
      },
      "typeVersion": 3.4
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    {
      "id": "e317772f-47fa-4007-8166-3a67e1a60512",
      "name": "Wait1",
      "type": "n8n-nodes-base.wait",
      "position": [
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      ],
      "webhookId": "8b5c6e4f-41d6-4817-996d-909ac6f94f8c",
      "parameters": {
        "unit": "days",
        "amount": 1
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      "typeVersion": 1.1
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    {
      "id": "210fa6ca-168f-437b-8f18-0ac5e2004521",
      "name": "Sticky Note",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -448,
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      ],
      "parameters": {
        "width": 592,
        "height": 720,
        "content": "# ⭐ Overview \n**Automated Pre-Meeting Email Sequence for Cal.com Bookings**\n\nThis workflow automatically warms up your leads between the moment they book a meeting and the day the meeting happens. It pulls in new Cal.com bookings, checks how many days remain until the meeting, and sends a series of pre-written emails spaced over time. The goal is to increase show-up rates, set expectations, and gently steer the user toward understanding the “connector” or sales-oriented purpose of the call.\n\nInstead of manually sending reminders or hoping your lead reads the booking confirmation, this workflow creates a structured drip sequence leading up to the meeting. Each email is triggered based on time intervals (for example: immediately, 3 days before, 1 day before). You have full control over the email content and timing.\n\n### How it works\n1. Trigger fires when someone books a meeting in Cal.com.  \n2. The workflow calculates how many days remain before the call.  \n3. Based on timing, the appropriate warm-up emails are sent via Gmail.  \n4. Additional Wait nodes space out messages to ensure natural engagement.\n\n### Setup steps\n1. Add your **Cal.com API key** in the Trigger node.  \n2. Authenticate your **Google account** for Gmail.  \n3. Customize each email message to match your tone and purpose.  \n4. Test internally with sample bookings before enabling it live.\n\n### Customization\nAdjust wait durations, timing logic, or create separate sequences for different event types in Cal.com. You can also use other calendar apps like calendly. You just need to change the trigger. "
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      ],
      "parameters": {
        "color": 7,
        "width": 1840,
        "height": 720,
        "content": "## Nurturing Message\nYou can change the message for your needs and duration before sending the messages in here."
      },
      "typeVersion": 1
    },
    {
      "parameters": {
        "operation": "verify",
        "email": "={{ $('Calculate time').item.json.attendee_email }}",
        "additionalOptions": {}
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  ],
  "connections": {
    "If": {
      "main": [
        [
          {
            "node": "Calculate time",
            "type": "main",
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          }
        ]
      ]
    },
    "Wait": {
      "main": [
        [
          {
            "node": "Quick prep email (2)",
            "type": "main",
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          }
        ]
      ]
    },
    "Wait1": {
      "main": [
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            "node": "Quick prep email2",
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        ]
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    },
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