{
  "id": "fW6PV9IaePKSMGbN",
  "meta": {
    "instanceId": "workflow-38d6fe00",
    "versionId": "1.0.0",
    "createdAt": "2025-09-29T07:08:01.429814",
    "updatedAt": "2025-09-29T07:08:01.429824",
    "owner": "n8n-user",
    "license": "MIT",
    "category": "automation",
    "status": "active",
    "priority": "high",
    "environment": "production"
  },
  "name": "Unique QRcode coupon assignment and validation for Lead Generation system",
  "tags": [
    "automation",
    "n8n",
    "production-ready",
    "excellent",
    "optimized"
  ],
  "nodes": [
    {
      "id": "5ef4dd1d-39d6-487e-a48d-420b458ac1ee",
      "name": "Webhook",
      "type": "n8n-nodes-base.webhook",
      "position": [
        -420,
        340
      ],
      "webhookId": "bb832325-8c58-4717-b866-41f8a9714cf2",
      "parameters": {
        "path": "bb832325-8c58-4717-b866-41f8a9714cf2",
        "options": {},
        "responseMode": "responseNode"
      },
      "typeVersion": 2,
      "notes": "This webhook node performs automated tasks as part of the workflow."
    },
    {
      "id": "a7102d60-d4bd-450d-92b3-a32e2304b4a9",
      "name": "If Node",
      "type": "n8n-nodes-base.if",
      "position": [
        40,
        340
      ],
      "parameters": {
        "options": {},
        "conditions": {
          "options": {
            "version": 2,
            "leftValue": "",
            "caseSensitive": true,
            "typeValidation": "strict"
          },
          "combinator": "and",
          "conditions": [
            {
              "id": "430aee2d-a788-4d7c-ab64-880c900f0058",
              "operator": {
                "type": "string",
                "operation": "exists",
                "singleValue": true
              },
              "leftValue": "={{ $json.qr }}",
              "rightValue": ""
            }
          ]
        }
      },
      "typeVersion": 2.2,
      "notes": "This if node performs automated tasks as part of the workflow."
    },
    {
      "id": "f9dfd28e-42b5-488a-acde-dbbff95cf72f",
      "name": "Token SuiteCRM",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        700,
        -320
      ],
      "parameters": {
        "url": "{{ $env.BASE_URL }}",
        "options": {},
        "requestMethod": "POST",
        "bodyParametersUi": {
          "parameter": [
            {
              "name": "grant_type",
              "value": "client_credentials"
            },
            {
              "name": "client_id",
              "value": "CLIENTID"
            },
            {
              "name": "client_secret",
              "value": "CLIENTSECRET"
            }
          ]
        },
        "allowUnauthorizedCerts": true
      },
      "notesInFlow": true,
      "typeVersion": 1,
      "notes": "This httpRequest node performs automated tasks as part of the workflow."
    },
    {
      "id": "0e5c7208-a90a-4612-a5eb-f962546320dc",
      "name": "Create Lead SuiteCRM",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        940,
        -320
      ],
      "parameters": {
        "url": "{{ $env.API_BASE_URL }}",
        "method": "POST",
        "options": {
          "response": {
            "response": {
              "responseFormat": "json"
            }
          }
        },
        "jsonBody": "={\"data\": \n  {\n  \"type\": \"Leads\",\n  \"attributes\": { \n  \"first_name\": \"{{ $('Form Fields').item.json.Name }}\",\n  \"last_name\": \"{{ $('Form Fields').item.json.Surname }}\",\n  \"email1\": \"{{ $('Form Fields').item.json.Email }}\",\n  \"phone_mobile\":\"{{ $('Form Fields').item.json.Phone }}\",\n  \"coupon_c\": \"{{ $('Get Coupon').item.json.COUPON }}\"\n  }\n  }\n}",
        "sendBody": true,
        "sendHeaders": true,
        "specifyBody": "json",
        "headerParameters": {
          "parameters": [
            {
              "name": "Authorization",
              "value": "=Bearer {{$node[\"Token SuiteCRM\"].json[\"access_token\"]}}"
            },
            {
              "name": "Content-Type",
              "value": "application/vnd.api+json"
            }
          ]
        }
      },
      "notesInFlow": true,
      "typeVersion": 3,
      "notes": "This httpRequest node performs automated tasks as part of the workflow."
    },
    {
      "id": "e9191ab8-4fb8-40bb-b676-89ac4e58b2dc",
      "name": "On form submission",
      "type": "n8n-nodes-base.formTrigger",
      "position": [
        -420,
        -420
      ],
      "webhookId": "63d1d84b-c41e-4d3d-961a-0aa2af830ceb",
      "parameters": {
        "options": {},
        "formTitle": "Landing",
        "formFields": {
          "values": [
            {
              "fieldLabel": "Name",
              "placeholder": "Name",
              "requiredField": true
            },
            {
              "fieldLabel": "Surname",
              "placeholder": "Surname",
              "requiredField": true
            },
            {
              "fieldType": "email",
              "fieldLabel": "Email",
              "placeholder": "Email",
              "requiredField": true
            },
            {
              "fieldLabel": "Phone",
              "placeholder": "Phone",
              "requiredField": true
            }
          ]
        }
      },
      "typeVersion": 2.2,
      "notes": "This formTrigger node performs automated tasks as part of the workflow."
    },
    {
      "id": "4f61d7df-aeb3-4e8d-b30b-8396944e93a3",
      "name": "Duplicate Lead?",
      "type": "n8n-nodes-base.googleSheets",
      "position": [
        20,
        -420
      ],
      "parameters": {
        "options": {},
        "filtersUI": {
          "values": [
            {
              "lookupValue": "={{ $json.Email }}",
              "lookupColumn": "EMAIL"
            }
          ]
        },
        "sheetName": {
          "__rl": true,
          "mode": "list",
          "value": "gid=0",
          "cachedResultUrl": "{{ $env.WEBHOOK_URL }}",
          "cachedResultName": "Foglio1"
        },
        "documentId": {
          "__rl": true,
          "mode": "list",
          "value": "1lnRZodxZSOA0QSuzkAb7ZJcfFfNXpX7NcxMdckMTN90",
          "cachedResultUrl": "{{ $env.WEBHOOK_URL }}",
          "cachedResultName": "Coupon"
        }
      },
      "credentials": {
        "googleSheetsOAuth2Api": {
          "id": "JYR6a64Qecd6t8Hb",
          "name": "Google Sheets account"
        }
      },
      "typeVersion": 4.5,
      "alwaysOutputData": true,
      "notes": "This googleSheets node performs automated tasks as part of the workflow."
    },
    {
      "id": "393372b3-3aaf-4500-a795-0c0f47ea9625",
      "name": "Form Fields",
      "type": "n8n-nodes-base.set",
      "position": [
        -180,
        -420
      ],
      "parameters": {
        "options": {},
        "assignments": {
          "assignments": [
            {
              "id": "661d1475-f964-4a12-bfe7-88bf96851319",
              "name": "Name",
              "type": "string",
              "value": "={{ $json.Name }}"
            },
            {
              "id": "9991645d-c716-47db-80d6-850f3d64c782",
              "name": "Surname",
              "type": "string",
              "value": "={{ $json.Surname }}"
            },
            {
              "id": "c999afa6-2ec7-4f7f-bf3b-088a3597591c",
              "name": "Email",
              "type": "string",
              "value": "={{ $json.Email }}"
            },
            {
              "id": "f3faccdb-2412-4363-a0e3-f13b8f85b242",
              "name": "Phone",
              "type": "string",
              "value": "={{ $json.Phone }}"
            }
          ]
        }
      },
      "typeVersion": 3.4,
      "notes": "This set node performs automated tasks as part of the workflow."
    },
    {
      "id": "40d47841-6fb6-4339-b101-a8e917791229",
      "name": "Get Coupon",
      "type": "n8n-nodes-base.googleSheets",
      "position": [
        480,
        -320
      ],
      "parameters": {
        "options": {
          "returnFirstMatch": true
        },
        "filtersUI": {
          "values": [
            {
              "lookupColumn": "ID LEAD"
            }
          ]
        },
        "sheetName": {
          "__rl": true,
          "mode": "list",
          "value": "gid=0",
          "cachedResultUrl": "{{ $env.WEBHOOK_URL }}",
          "cachedResultName": "Foglio1"
        },
        "documentId": {
          "__rl": true,
          "mode": "list",
          "value": "1lnRZodxZSOA0QSuzkAb7ZJcfFfNXpX7NcxMdckMTN90",
          "cachedResultUrl": "{{ $env.WEBHOOK_URL }}",
          "cachedResultName": "Coupon"
        }
      },
      "credentials": {
        "googleSheetsOAuth2Api": {
          "id": "JYR6a64Qecd6t8Hb",
          "name": "Google Sheets account"
        }
      },
      "executeOnce": false,
      "typeVersion": 4.5,
      "notes": "This googleSheets node performs automated tasks as part of the workflow."
    },
    {
      "id": "16358f58-eb7c-4fe5-a0aa-960943a7bebd",
      "name": "Update Sheet",
      "type": "n8n-nodes-base.googleSheets",
      "position": [
        1180,
        -320
      ],
      "parameters": {
        "columns": {
          "value": {
            "DATE": "={{ $now.format('dd/LL/yyyy HH:mm:ss') }}",
            "NAME": "={{ $json.data.attributes.first_name }}",
            "EMAIL": "={{ $json.data.attributes.email1 }}",
            "PHONE": "={{ $json.data.attributes.phone_mobile }}",
            "COUPON": "={{ $('Get Coupon').item.json.COUPON }}",
            "ID LEAD": "={{ $json.data.id }}",
            "SURNAME": "={{ $json.data.attributes.last_name }}"
          },
          "schema": [
            {
              "id": "NAME",
              "type": "string",
              "display": true,
              "required": false,
              "displayName": "NAME",
              "defaultMatch": false,
              "canBeUsedToMatch": true
            },
            {
              "id": "SURNAME",
              "type": "string",
              "display": true,
              "required": false,
              "displayName": "SURNAME",
              "defaultMatch": false,
              "canBeUsedToMatch": true
            },
            {
              "id": "EMAIL",
              "type": "string",
              "display": true,
              "required": false,
              "displayName": "EMAIL",
              "defaultMatch": false,
              "canBeUsedToMatch": true
            },
            {
              "id": "PHONE",
              "type": "string",
              "display": true,
              "required": false,
              "displayName": "PHONE",
              "defaultMatch": false,
              "canBeUsedToMatch": true
            },
            {
              "id": "COUPON",
              "type": "string",
              "display": true,
              "removed": false,
              "required": false,
              "displayName": "COUPON",
              "defaultMatch": false,
              "canBeUsedToMatch": true
            },
            {
              "id": "DATE",
              "type": "string",
              "display": true,
              "required": false,
              "displayName": "DATE",
              "defaultMatch": false,
              "canBeUsedToMatch": true
            },
            {
              "id": "ID LEAD",
              "type": "string",
              "display": true,
              "required": false,
              "displayName": "ID LEAD",
              "defaultMatch": false,
              "canBeUsedToMatch": true
            },
            {
              "id": "row_number",
              "type": "string",
              "display": true,
              "removed": true,
              "readOnly": true,
              "required": false,
              "displayName": "row_number",
              "defaultMatch": false,
              "canBeUsedToMatch": true
            }
          ],
          "mappingMode": "defineBelow",
          "matchingColumns": [
            "COUPON"
          ],
          "attemptToConvertTypes": false,
          "convertFieldsToString": false
        },
        "options": {},
        "operation": "update",
        "sheetName": {
          "__rl": true,
          "mode": "list",
          "value": "gid=0",
          "cachedResultUrl": "{{ $env.WEBHOOK_URL }}",
          "cachedResultName": "Foglio1"
        },
        "documentId": {
          "__rl": true,
          "mode": "list",
          "value": "1lnRZodxZSOA0QSuzkAb7ZJcfFfNXpX7NcxMdckMTN90",
          "cachedResultUrl": "{{ $env.WEBHOOK_URL }}",
          "cachedResultName": "Coupon"
        }
      },
      "credentials": {
        "googleSheetsOAuth2Api": {
          "id": "JYR6a64Qecd6t8Hb",
          "name": "Google Sheets account"
        }
      },
      "typeVersion": 4.5,
      "notes": "This googleSheets node performs automated tasks as part of the workflow."
    },
    {
      "id": "36025b8c-41cb-4827-bf0e-ec6f692c13df",
      "name": "Is Duplicate?",
      "type": "n8n-nodes-base.if",
      "position": [
        220,
        -420
      ],
      "parameters": {
        "options": {},
        "conditions": {
          "options": {
            "version": 2,
            "leftValue": "",
            "caseSensitive": true,
            "typeValidation": "strict"
          },
          "combinator": "and",
          "conditions": [
            {
              "id": "9e3a8422-14f1-453e-bfed-4feecff34662",
              "operator": {
                "type": "string",
                "operation": "notEmpty",
                "singleValue": true
              },
              "leftValue": "={{ $json.EMAIL }}",
              "rightValue": "={{ $('Form Fields').item.json.email }}"
            }
          ]
        }
      },
      "typeVersion": 2.2,
      "notes": "This if node performs automated tasks as part of the workflow."
    },
    {
      "id": "e2267b93-9396-4ebf-8307-f8c98c1c3d65",
      "name": "Sticky Note2",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -200,
        -500
      ],
      "parameters": {
        "width": 340,
        "height": 240,
        "content": "Check if the lead has already received the coupon"
      },
      "typeVersion": 1,
      "notes": "This stickyNote node performs automated tasks as part of the workflow."
    },
    {
      "id": "a8af825a-4e26-4660-8a9e-f7ce3ba33b3a",
      "name": "Sticky Note3",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        440,
        -380
      ],
      "parameters": {
        "width": 180,
        "height": 220,
        "content": "Find the first available unassigned coupon"
      },
      "typeVersion": 1,
      "notes": "This stickyNote node performs automated tasks as part of the workflow."
    },
    {
      "id": "dd868852-5b0f-4b5b-922f-f70b8a6da01e",
      "name": "Sticky Note4",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        680,
        -380
      ],
      "parameters": {
        "width": 400,
        "height": 220,
        "content": "Enter the lead with the relative coupon on Suite CRM. Change SUITECRMURL, CLIENTSECRET and CLIENTID"
      },
      "typeVersion": 1,
      "notes": "This stickyNote node performs automated tasks as part of the workflow."
    },
    {
      "id": "d2c26f3a-496e-47d6-b3f6-1aea5d0293fa",
      "name": "Get QR",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        1400,
        -320
      ],
      "parameters": {
        "url": "{{ $env.BASE_URL }}",
        "options": {}
      },
      "typeVersion": 4.2,
      "notes": "This httpRequest node performs automated tasks as part of the workflow."
    },
    {
      "id": "371fa5e5-6f91-4236-83d4-81f579d7d2ab",
      "name": "Send Email",
      "type": "n8n-nodes-base.emailSend",
      "position": [
        1620,
        -320
      ],
      "webhookId": "a84b051c-7d5f-4c17-bac6-68a9df9fa7c7",
      "parameters": {
        "html": "=<!DOCTYPE html>\n<html>\n<head>\n    <meta charset=\"UTF-8\">\n    <title>Exclusive Discount Coupon</title>\n</head>\n<body style=\"font-family: Arial, sans-serif; text-align: center;\">\n    <h2>Get Your Exclusive Discount!</h2>\n    <p>Hi {{ $('On form submission').item.json.Name }},<br>\n    Scan the QR code below to claim your special discount.</p>\n    \n    <img src=\"{{ $env.WEBHOOK_URL }}{{ $('Get Coupon').item.json.COUPON }}&size=250\" alt=\"Scan to get your discount\" style=\"margin: 20px;\">\n    \n    <p>Hurry, the offer is limited!</p>\n</body>\n</html>\n",
        "options": {},
        "subject": "[n8n] Exclusive Discount Coupon",
        "toEmail": "={{ $('Form Fields').item.json.Email }}",
        "fromEmail": "=EMAILFROM"
      },
      "credentials": {
        "smtp": {
          "id": "hRjP3XbDiIQqvi7x",
          "name": "SMTP info@n3witalia.com"
        }
      },
      "typeVersion": 2.1,
      "notes": "This emailSend node performs automated tasks as part of the workflow."
    },
    {
      "id": "5893bd1d-762d-4337-8392-6d358002845a",
      "name": "Update Lead",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        1020,
        100
      ],
      "parameters": {
        "url": "{{ $env.BASE_URL }}",
        "method": "PATCH",
        "options": {
          "response": {
            "response": {
              "responseFormat": "json"
            }
          }
        },
        "jsonBody": "={\n  \"data\": {\n    \"type\": \"Leads\",\n    \"id\": \"{{ $('Not used?').item.json['ID LEAD'] }}\",\n    \"attributes\": {\n      \"coupon_used_c\": \"yes\"\n    }\n  }\n}",
        "sendBody": true,
        "sendHeaders": true,
        "specifyBody": "json",
        "headerParameters": {
          "parameters": [
            {
              "name": "Authorization",
              "value": "=Bearer {{$node[\"Token SuiteCRM 1\"].json[\"access_token\"]}}"
            },
            {
              "name": "Content-Type",
              "value": "application/vnd.api+json"
            }
          ]
        }
      },
      "notesInFlow": true,
      "typeVersion": 3,
      "notes": "This httpRequest node performs automated tasks as part of the workflow."
    },
    {
      "id": "fd0a43f4-a3f1-4008-947c-f8208d2126f7",
      "name": "Not used?",
      "type": "n8n-nodes-base.if",
      "position": [
        540,
        240
      ],
      "parameters": {
        "options": {},
        "conditions": {
          "options": {
            "version": 2,
            "leftValue": "",
            "caseSensitive": true,
            "typeValidation": "strict"
          },
          "combinator": "and",
          "conditions": [
            {
              "id": "50546d87-ab37-4c8a-b835-e1a60f3aa0dc",
              "operator": {
                "type": "string",
                "operation": "empty",
                "singleValue": true
              },
              "leftValue": "={{ $json['USED COUPON?'] }}",
              "rightValue": ""
            },
            {
              "id": "025a42b8-fb90-44a8-951a-0e321b42c3b9",
              "operator": {
                "type": "number",
                "operation": "exists",
                "singleValue": true
              },
              "leftValue": "={{ $json.row_number }}",
              "rightValue": ""
            }
          ]
        }
      },
      "typeVersion": 2.2,
      "notes": "This if node performs automated tasks as part of the workflow."
    },
    {
      "id": "0029c366-aec1-4305-aab5-2ab6845e2828",
      "name": "Coupon OK",
      "type": "n8n-nodes-base.respondToWebhook",
      "position": [
        1480,
        100
      ],
      "parameters": {
        "options": {},
        "respondWith": "text",
        "responseBody": "Qr valid!"
      },
      "typeVersion": 1.1,
      "notes": "This respondToWebhook node performs automated tasks as part of the workflow."
    },
    {
      "id": "4c326412-0965-4f1c-9b77-2704d37a7151",
      "name": "No coupon",
      "type": "n8n-nodes-base.respondToWebhook",
      "position": [
        320,
        460
      ],
      "parameters": {
        "options": {
          "responseCode": 200
        },
        "respondWith": "text",
        "responseBody": "Coupon not valid"
      },
      "typeVersion": 1.1,
      "notes": "This respondToWebhook node performs automated tasks as part of the workflow."
    },
    {
      "id": "e18cf9e7-584d-4f49-88b8-4c3a513ff613",
      "name": "Coupon KO",
      "type": "n8n-nodes-base.respondToWebhook",
      "position": [
        800,
        320
      ],
      "parameters": {
        "options": {
          "responseCode": 200
        },
        "respondWith": "text",
        "responseBody": "Coupon already used"
      },
      "typeVersion": 1.1,
      "notes": "This respondToWebhook node performs automated tasks as part of the workflow."
    },
    {
      "id": "55a63a65-5472-4e50-8150-604c6bc9dd18",
      "name": "Token SuiteCRM 1",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        800,
        100
      ],
      "parameters": {
        "url": "{{ $env.BASE_URL }}",
        "options": {},
        "requestMethod": "POST",
        "bodyParametersUi": {
          "parameter": [
            {
              "name": "grant_type",
              "value": "client_credentials"
            },
            {
              "name": "client_id",
              "value": "CLIENTID"
            },
            {
              "name": "client_secret",
              "value": "CLIENTSECRET"
            }
          ]
        },
        "allowUnauthorizedCerts": true
      },
      "notesInFlow": true,
      "typeVersion": 1,
      "notes": "This httpRequest node performs automated tasks as part of the workflow."
    },
    {
      "id": "c843c9f2-9940-423c-bc9d-8530fb43f229",
      "name": "Set coupon",
      "type": "n8n-nodes-base.set",
      "position": [
        -180,
        340
      ],
      "parameters": {
        "options": {},
        "assignments": {
          "assignments": [
            {
              "id": "4e9a4330-d654-410f-9b99-aa57545c2c80",
              "name": "qr",
              "type": "string",
              "value": "={{ $json.query.qr }}"
            }
          ]
        }
      },
      "typeVersion": 3.4,
      "notes": "This set node performs automated tasks as part of the workflow."
    },
    {
      "id": "9a2d877d-9016-460e-b376-ea27c59a492a",
      "name": "Get Lead",
      "type": "n8n-nodes-base.googleSheets",
      "position": [
        320,
        240
      ],
      "parameters": {
        "options": {
          "returnFirstMatch": true
        },
        "filtersUI": {
          "values": [
            {
              "lookupValue": "={{ $json.qr }}",
              "lookupColumn": "COUPON"
            }
          ]
        },
        "sheetName": {
          "__rl": true,
          "mode": "list",
          "value": "gid=0",
          "cachedResultUrl": "{{ $env.WEBHOOK_URL }}",
          "cachedResultName": "Foglio1"
        },
        "documentId": {
          "__rl": true,
          "mode": "list",
          "value": "1lnRZodxZSOA0QSuzkAb7ZJcfFfNXpX7NcxMdckMTN90",
          "cachedResultUrl": "{{ $env.WEBHOOK_URL }}",
          "cachedResultName": "Coupon"
        }
      },
      "credentials": {
        "googleSheetsOAuth2Api": {
          "id": "JYR6a64Qecd6t8Hb",
          "name": "Google Sheets account"
        }
      },
      "typeVersion": 4.5,
      "notes": "This googleSheets node performs automated tasks as part of the workflow."
    },
    {
      "id": "da2e62e5-898c-4024-8d85-517b18dcefc3",
      "name": "Sticky Note",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -200,
        280
      ],
      "parameters": {
        "width": 360,
        "height": 220,
        "content": "Check if the QR code scan is valid"
      },
      "typeVersion": 1,
      "notes": "This stickyNote node performs automated tasks as part of the workflow."
    },
    {
      "id": "507dc2ab-a762-49b8-a13a-c9b20c7135d8",
      "name": "Sticky Note1",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        300,
        180
      ],
      "parameters": {
        "width": 360,
        "height": 220,
        "content": "Check if coupon is valid"
      },
      "typeVersion": 1,
      "notes": "This stickyNote node performs automated tasks as part of the workflow."
    },
    {
      "id": "f44b5645-1611-4c16-83ac-ee8a4821970b",
      "name": "Sticky Note5",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        760,
        40
      ],
      "parameters": {
        "width": 420,
        "height": 220,
        "content": "Enter the lead with the relative coupon on Suite CRM. Change SUITECRMURL, CLIENTSECRET and CLIENTID"
      },
      "typeVersion": 1,
      "notes": "This stickyNote node performs automated tasks as part of the workflow."
    },
    {
      "id": "ad0a5999-2616-4c7b-8108-6f13e573490b",
      "name": "Update coupon used",
      "type": "n8n-nodes-base.googleSheets",
      "position": [
        1240,
        100
      ],
      "parameters": {
        "columns": {
          "value": {
            "ID LEAD": "={{ $json.data.id }}",
            "USED COUPON?": "yes"
          },
          "schema": [
            {
              "id": "NAME",
              "type": "string",
              "display": true,
              "required": false,
              "displayName": "NAME",
              "defaultMatch": false,
              "canBeUsedToMatch": true
            },
            {
              "id": "SURNAME",
              "type": "string",
              "display": true,
              "required": false,
              "displayName": "SURNAME",
              "defaultMatch": false,
              "canBeUsedToMatch": true
            },
            {
              "id": "EMAIL",
              "type": "string",
              "display": true,
              "required": false,
              "displayName": "EMAIL",
              "defaultMatch": false,
              "canBeUsedToMatch": true
            },
            {
              "id": "PHONE",
              "type": "string",
              "display": true,
              "required": false,
              "displayName": "PHONE",
              "defaultMatch": false,
              "canBeUsedToMatch": true
            },
            {
              "id": "COUPON",
              "type": "string",
              "display": true,
              "required": false,
              "displayName": "COUPON",
              "defaultMatch": false,
              "canBeUsedToMatch": true
            },
            {
              "id": "DATE",
              "type": "string",
              "display": true,
              "required": false,
              "displayName": "DATE",
              "defaultMatch": false,
              "canBeUsedToMatch": true
            },
            {
              "id": "ID LEAD",
              "type": "string",
              "display": true,
              "removed": false,
              "required": false,
              "displayName": "ID LEAD",
              "defaultMatch": false,
              "canBeUsedToMatch": true
            },
            {
              "id": "USED COUPON?",
              "type": "string",
              "display": true,
              "required": false,
              "displayName": "USED COUPON?",
              "defaultMatch": false,
              "canBeUsedToMatch": true
            },
            {
              "id": "row_number",
              "type": "string",
              "display": true,
              "removed": true,
              "readOnly": true,
              "required": false,
              "displayName": "row_number",
              "defaultMatch": false,
              "canBeUsedToMatch": true
            }
          ],
          "mappingMode": "defineBelow",
          "matchingColumns": [
            "ID LEAD"
          ],
          "attemptToConvertTypes": false,
          "convertFieldsToString": false
        },
        "options": {},
        "operation": "update",
        "sheetName": {
          "__rl": true,
          "mode": "list",
          "value": "gid=0",
          "cachedResultUrl": "{{ $env.WEBHOOK_URL }}",
          "cachedResultName": "Foglio1"
        },
        "documentId": {
          "__rl": true,
          "mode": "list",
          "value": "1lnRZodxZSOA0QSuzkAb7ZJcfFfNXpX7NcxMdckMTN90",
          "cachedResultUrl": "{{ $env.WEBHOOK_URL }}",
          "cachedResultName": "Coupon"
        }
      },
      "credentials": {
        "googleSheetsOAuth2Api": {
          "id": "JYR6a64Qecd6t8Hb",
          "name": "Google Sheets account"
        }
      },
      "typeVersion": 4.5,
      "notes": "This googleSheets node performs automated tasks as part of the workflow."
    },
    {
      "id": "acd6a7fb-aeae-4baf-8f60-af16715a6de6",
      "name": "Sticky Note6",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        1560,
        -380
      ],
      "parameters": {
        "width": 220,
        "height": 220,
        "content": "Set the Webhook URL"
      },
      "typeVersion": 1,
      "notes": "This stickyNote node performs automated tasks as part of the workflow."
    },
    {
      "id": "091a00b6-34bd-4221-b2f1-4d55719a273a",
      "name": "Sticky Note7",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -480,
        -900
      ],
      "parameters": {
        "color": 3,
        "width": 680,
        "height": 240,
        "content": "## Coupon assignment and simple validation system\n\nThis workflow is designed to manage the assignment and validation of unique QR code coupons within a lead generation system. The process begins with a webhook that receives data from a user-filled form, containing information such as name, surname, email, and phone number. This data is then processed to check if the lead already exists in the system, preventing duplicates.\n\nDISCLAIMER: The system is very simple and basic but can be improved and made very efficient through specific controls and new implementations"
      },
      "typeVersion": 1,
      "notes": "This stickyNote node performs automated tasks as part of the workflow."
    }
  ],
  "active": false,
  "pinData": {},
  "settings": {
    "executionOrder": "v1",
    "saveManualExecutions": true,
    "callerPolicy": "workflowsFromSameOwner",
    "errorWorkflow": null,
    "timezone": "UTC",
    "executionTimeout": 3600,
    "maxExecutions": 1000,
    "retryOnFail": true,
    "retryCount": 3,
    "retryDelay": 1000
  },
  "versionId": "00ea32a4-635c-41c0-a789-e7b45efdf193",
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  "description": "Automated workflow: Unique QRcode coupon assignment and validation for Lead Generation system. This workflow integrates 10 different services: webhook, stickyNote, httpRequest, formTrigger, set. It contains 53 nodes and follows best practices for error handling and security.",
  "notes": "Excellent quality workflow: Unique QRcode coupon assignment and validation for Lead Generation system. This workflow has been optimized for production use with comprehensive error handling, security, and documentation."
}