{
  "id": "wf-001-approval-flow",
  "name": "Complex Approval Workflow with Notifications",
  "description": "Multi-stage approval workflow with parallel validations, conditional routing, and retry logic",
  "version": "3.0.0",
  "tenantId": "acme-corp",
  "createdBy": "user-123",
  "createdAt": "2026-01-21T10:00:00Z",
  "updatedAt": "2026-01-21T10:00:00Z",
  "active": true,
  "locked": false,
  "tags": ["approval", "workflow", "multi-stage"],
  "category": "approval",
  "settings": {
    "timezone": "America/New_York",
    "executionTimeout": 3600,
    "saveExecutionProgress": true,
    "saveExecutionData": "all",
    "maxConcurrentExecutions": 5,
    "debugMode": false,
    "enableNotifications": true,
    "notificationChannels": ["email", "webhook"]
  },
  "nodes": [
    {
      "id": "trigger-webhook",
      "name": "Approval Request Received",
      "type": "trigger",
      "typeVersion": 1,
      "nodeType": "webhook-trigger",
      "position": [50, 150],
      "parameters": {
        "httpMethod": "POST",
        "path": "/workflows/approvals"
      },
      "inputs": [],
      "outputs": [
        {
          "name": "main",
          "type": "main",
          "maxConnections": -1
        }
      ],
      "disabled": false,
      "skipOnFail": false,
      "alwaysOutputData": true,
      "maxTries": 1,
      "waitBetweenTries": 0,
      "continueOnError": false,
      "onError": "stopWorkflow",
      "notes": "Receives approval requests from external system",
      "notesInFlow": true,
      "color": "#3498db",
      "metadata": {}
    },
    {
      "id": "validate-request",
      "name": "Validate Request Data",
      "type": "operation",
      "typeVersion": 1,
      "nodeType": "dbal-read",
      "position": [250, 150],
      "parameters": {
        "entity": "ApprovalRequest",
        "operation": "validate",
        "rules": {
          "requestId": "required|uuid",
          "amount": "required|number|min:1|max:1000000",
          "requesterEmail": "required|email"
        }
      },
      "inputs": [
        {
          "name": "main",
          "type": "main",
          "maxConnections": -1
        }
      ],
      "outputs": [
        {
          "name": "main",
          "type": "main",
          "maxConnections": -1,
          "label": "Valid"
        },
        {
          "name": "error",
          "type": "error",
          "maxConnections": -1,
          "label": "Invalid"
        }
      ],
      "disabled": false,
      "skipOnFail": false,
      "alwaysOutputData": false,
      "maxTries": 1,
      "waitBetweenTries": 0,
      "continueOnError": false,
      "onError": "continueErrorOutput",
      "metadata": {}
    },
    {
      "id": "parallel-checks",
      "name": "Run Parallel Validations",
      "type": "parallel",
      "typeVersion": 1,
      "nodeType": "parallel",
      "position": [450, 150],
      "parameters": {
        "tasks": [
          {
            "nodeId": "check-budget",
            "type": "main"
          },
          {
            "nodeId": "check-user-permissions",
            "type": "main"
          },
          {
            "nodeId": "check-fraud-rules",
            "type": "main"
          }
        ]
      },
      "inputs": [
        {
          "name": "main",
          "type": "main",
          "maxConnections": -1
        }
      ],
      "outputs": [
        {
          "name": "main",
          "type": "main",
          "maxConnections": -1
        }
      ],
      "disabled": false,
      "skipOnFail": false,
      "alwaysOutputData": false,
      "maxTries": 1,
      "waitBetweenTries": 0,
      "continueOnError": false,
      "onError": "stopWorkflow",
      "metadata": {}
    },
    {
      "id": "check-budget",
      "name": "Check Available Budget",
      "type": "operation",
      "typeVersion": 1,
      "nodeType": "dbal-read",
      "position": [450, 50],
      "parameters": {
        "entity": "BudgetAllocation",
        "operation": "read",
        "filter": {
          "departmentId": "{{ $json.departmentId }}"
        }
      },
      "inputs": [
        {
          "name": "main",
          "type": "main",
          "maxConnections": 1
        }
      ],
      "outputs": [
        {
          "name": "main",
          "type": "main",
          "maxConnections": -1
        }
      ],
      "disabled": false,
      "skipOnFail": false,
      "alwaysOutputData": false,
      "retryPolicy": {
        "enabled": true,
        "maxAttempts": 3,
        "backoffType": "exponential",
        "initialDelay": 1000,
        "maxDelay": 30000,
        "retryableErrors": ["TIMEOUT", "TEMPORARY_FAILURE"],
        "retryableStatusCodes": [408, 429, 500, 502, 503]
      },
      "maxTries": 3,
      "waitBetweenTries": 1000,
      "continueOnError": false,
      "onError": "continueErrorOutput",
      "notes": "Checks if department has sufficient budget",
      "notesInFlow": false,
      "metadata": {}
    },
    {
      "id": "check-user-permissions",
      "name": "Verify User Permissions",
      "type": "operation",
      "typeVersion": 1,
      "nodeType": "dbal-read",
      "position": [450, 150],
      "parameters": {
        "entity": "UserRole",
        "operation": "read",
        "filter": {
          "userId": "{{ $context.user.id }}",
          "tenantId": "{{ $context.tenantId }}"
        }
      },
      "inputs": [
        {
          "name": "main",
          "type": "main",
          "maxConnections": 1
        }
      ],
      "outputs": [
        {
          "name": "main",
          "type": "main",
          "maxConnections": -1
        }
      ],
      "disabled": false,
      "skipOnFail": false,
      "alwaysOutputData": false,
      "maxTries": 1,
      "waitBetweenTries": 0,
      "continueOnError": false,
      "onError": "continueErrorOutput",
      "metadata": {}
    },
    {
      "id": "check-fraud-rules",
      "name": "Run Fraud Detection",
      "type": "operation",
      "typeVersion": 1,
      "nodeType": "http-request",
      "position": [450, 250],
      "parameters": {
        "url": "{{ $env.FRAUD_API_URL }}/check",
        "method": "POST",
        "body": {
          "amount": "{{ $json.amount }}",
          "requesterEmail": "{{ $json.requesterEmail }}",
          "metadata": "{{ $json }}"
        },
        "headers": {
          "Authorization": "Bearer {{ $env.FRAUD_API_KEY }}"
        }
      },
      "inputs": [
        {
          "name": "main",
          "type": "main",
          "maxConnections": 1
        }
      ],
      "outputs": [
        {
          "name": "main",
          "type": "main",
          "maxConnections": -1
        },
        {
          "name": "error",
          "type": "error",
          "maxConnections": -1
        }
      ],
      "credentials": {
        "api": {
          "id": "cred-fraud-api",
          "name": "Fraud API Key"
        }
      },
      "disabled": false,
      "skipOnFail": false,
      "alwaysOutputData": false,
      "timeout": 30,
      "maxTries": 2,
      "waitBetweenTries": 2000,
      "continueOnError": false,
      "onError": "continueErrorOutput",
      "metadata": {}
    },
    {
      "id": "all-checks-passed",
      "name": "All Validations Passed?",
      "type": "logic",
      "typeVersion": 1,
      "nodeType": "condition",
      "position": [650, 150],
      "parameters": {
        "condition": "{{ $steps['check-budget'].success && $steps['check-user-permissions'].success && $steps['check-fraud-rules'].success }}"
      },
      "inputs": [
        {
          "name": "main",
          "type": "main",
          "maxConnections": -1
        }
      ],
      "outputs": [
        {
          "name": "main",
          "type": "success",
          "index": 0,
          "label": "Yes"
        },
        {
          "name": "main",
          "type": "condition",
          "index": 1,
          "label": "No"
        }
      ],
      "disabled": false,
      "skipOnFail": false,
      "alwaysOutputData": false,
      "continueOnError": false,
      "onError": "stopWorkflow",
      "metadata": {}
    },
    {
      "id": "send-for-approval",
      "name": "Create Approval Record",
      "type": "operation",
      "typeVersion": 1,
      "nodeType": "dbal-write",
      "position": [850, 50],
      "parameters": {
        "entity": "Approval",
        "operation": "create",
        "data": {
          "requestId": "{{ $json.requestId }}",
          "amount": "{{ $json.amount }}",
          "requesterEmail": "{{ $json.requesterEmail }}",
          "status": "pending",
          "createdAt": "{{ $now }}"
        }
      },
      "inputs": [
        {
          "name": "main",
          "type": "main",
          "maxConnections": 1
        }
      ],
      "outputs": [
        {
          "name": "main",
          "type": "main",
          "maxConnections": -1
        }
      ],
      "disabled": false,
      "skipOnFail": false,
      "alwaysOutputData": false,
      "maxTries": 1,
      "waitBetweenTries": 0,
      "continueOnError": false,
      "onError": "stopWorkflow",
      "metadata": {}
    },
    {
      "id": "notify-approvers",
      "name": "Send Approval Notification",
      "type": "action",
      "typeVersion": 1,
      "nodeType": "email-send",
      "position": [850, 150],
      "parameters": {
        "to": "{{ $env.APPROVER_EMAIL }}",
        "subject": "New Approval Request: ${{ $json.amount }}",
        "template": "approval-notification",
        "data": {
          "requestId": "{{ $json.requestId }}",
          "amount": "{{ $json.amount }}",
          "requester": "{{ $json.requesterEmail }}",
          "approvalLink": "{{ $env.APP_URL }}/approvals/{{ $steps['send-for-approval'].output.id }}"
        }
      },
      "inputs": [
        {
          "name": "main",
          "type": "main",
          "maxConnections": 1
        }
      ],
      "outputs": [
        {
          "name": "main",
          "type": "main",
          "maxConnections": -1
        }
      ],
      "disabled": false,
      "skipOnFail": false,
      "alwaysOutputData": false,
      "maxTries": 2,
      "waitBetweenTries": 3000,
      "continueOnError": true,
      "onError": "continueRegularOutput",
      "metadata": {}
    },
    {
      "id": "send-error-notification",
      "name": "Notify on Validation Failure",
      "type": "action",
      "typeVersion": 1,
      "nodeType": "email-send",
      "position": [850, 250],
      "parameters": {
        "to": "{{ $json.requesterEmail }}",
        "subject": "Approval Request Failed Validation",
        "template": "approval-failure",
        "data": {
          "requestId": "{{ $json.requestId }}",
          "reason": "{{ $steps['all-checks-passed'].error.message }}"
        }
      },
      "inputs": [
        {
          "name": "main",
          "type": "main",
          "maxConnections": 1
        }
      ],
      "outputs": [
        {
          "name": "main",
          "type": "main",
          "maxConnections": -1
        }
      ],
      "disabled": false,
      "skipOnFail": false,
      "alwaysOutputData": false,
      "continueOnError": true,
      "onError": "continueRegularOutput",
      "metadata": {}
    },
    {
      "id": "return-result",
      "name": "Return Result",
      "type": "action",
      "typeVersion": 1,
      "nodeType": "webhook-response",
      "position": [1050, 150],
      "parameters": {
        "statusCode": 200,
        "body": {
          "success": true,
          "approvalId": "{{ $steps['send-for-approval'].output.id }}",
          "message": "Approval request created successfully"
        }
      },
      "inputs": [
        {
          "name": "main",
          "type": "main",
          "maxConnections": -1
        }
      ],
      "outputs": [],
      "disabled": false,
      "skipOnFail": false,
      "alwaysOutputData": false,
      "continueOnError": false,
      "onError": "stopWorkflow",
      "metadata": {}
    }
  ],
  "connections": {
    "trigger-webhook": {
      "main": {
        "0": [
          {
            "node": "validate-request",
            "type": "main",
            "index": 0
          }
        ]
      }
    },
    "validate-request": {
      "main": {
        "0": [
          {
            "node": "parallel-checks",
            "type": "main",
            "index": 0
          }
        ]
      },
      "error": {
        "0": [
          {
            "node": "send-error-notification",
            "type": "main",
            "index": 0
          }
        ]
      }
    },
    "parallel-checks": {
      "main": {
        "0": [
          {
            "node": "all-checks-passed",
            "type": "main",
            "index": 0
          }
        ]
      }
    },
    "all-checks-passed": {
      "main": {
        "0": [
          {
            "node": "send-for-approval",
            "type": "main",
            "index": 0
          }
        ]
      },
      "error": {
        "0": [
          {
            "node": "send-error-notification",
            "type": "main",
            "index": 0
          }
        ]
      }
    },
    "send-for-approval": {
      "main": {
        "0": [
          {
            "node": "notify-approvers",
            "type": "main",
            "index": 0
          }
        ]
      }
    },
    "notify-approvers": {
      "main": {
        "0": [
          {
            "node": "return-result",
            "type": "main",
            "index": 0
          }
        ]
      }
    }
  },
  "triggers": [
    {
      "nodeId": "trigger-webhook",
      "kind": "webhook",
      "enabled": true,
      "webhookId": "wh-001",
      "webhookMethods": ["POST"],
      "metadata": {
        "description": "Approval request webhook"
      }
    }
  ],
  "variables": {
    "approverEmail": {
      "name": "approverEmail",
      "type": "string",
      "description": "Email of approval authority",
      "required": true,
      "scope": "workflow"
    },
    "fraudThreshold": {
      "name": "fraudThreshold",
      "type": "number",
      "description": "Fraud risk score threshold",
      "defaultValue": 0.8,
      "scope": "workflow"
    }
  },
  "errorHandling": {
    "default": "stopWorkflow",
    "errorLogger": "send-error-notification",
    "errorNotification": true,
    "notifyChannels": ["email"]
  },
  "retryPolicy": {
    "enabled": true,
    "maxAttempts": 3,
    "backoffType": "exponential",
    "initialDelay": 1000,
    "maxDelay": 30000,
    "retryableErrors": ["TIMEOUT", "TEMPORARY_FAILURE"],
    "retryableStatusCodes": [408, 429, 500, 502, 503, 504]
  },
  "rateLimiting": {
    "enabled": true,
    "requestsPerWindow": 100,
    "windowSeconds": 60,
    "key": "tenant",
    "onLimitExceeded": "queue"
  },
  "credentials": [],
  "metadata": {
    "category": "business-process",
    "department": "finance",
    "sla": "4-hours",
    "owner": "finance-team"
  },
  "executionLimits": {
    "maxExecutionTime": 3600,
    "maxMemoryMb": 512,
    "maxDataSizeMb": 50,
    "maxArrayItems": 10000
  },
  "multiTenancy": {
    "enforced": true,
    "tenantIdField": "tenantId",
    "restrictNodeTypes": ["raw-sql", "eval", "shell-exec"],
    "allowCrossTenantAccess": false,
    "auditLogging": true
  },
  "versionHistory": []
}