{ "name": "Automated trip expense claim form with OpenAI agent & Google Drive", "nodes": [ { "id": "511042e8-828d-4eed-a305-58a5fb10c8bb", "name": "Sticky Note7", "type": "n8n-nodes-base.stickyNote", "position": [ -2544, 1168 ], "parameters": { "width": 1120, "height": 1568, "content": "# 🧾 Automated Trip Expense Reporting Workflow With gpt-4.1-mini\n## 👤 Who’s it for\n\nThis workflow is designed for employees who need to submit expense claims for business trips. It automates the proces" } }, { "id": "5f325f14-8a4e-4920-9302-c598805b5a70", "name": "Sticky Note3", "type": "n8n-nodes-base.stickyNote", "position": [ -1360, 1168 ], "parameters": { "width": 540, "height": 948, "content": "![Alt text](https://wisestackai.s3.ap-southeast-1.amazonaws.com/Screenshot+2025-08-02+at+10.06.31%E2%80%AFPM.png \"Optional title text\")\n" } }, { "id": "e3f8bbb9-594e-4e89-9d78-e55a0db9803f", "name": "Sticky Note5", "type": "n8n-nodes-base.stickyNote", "position": [ -240, 1632 ], "parameters": { "width": 892, "height": 496, "content": "## 1.1 – Extract and Parse Invoices with AI Agent\n\nUploaded PDF receipts are processed using OCR and AI. The DocClaim Assistant extracts key invoice details such as vendor, date, amount, and itemized " } }, { "id": "efe400aa-4b57-4651-a847-976e1a4c927b", "name": "Sticky Note", "type": "n8n-nodes-base.stickyNote", "position": [ 1408, 1664 ], "parameters": { "width": 556, "height": 336, "content": "## 3. Send Claim Summary to Finance Team\n\nA formatted email with the employee’s business trip and expense breakdown is sent to the finance team for review and reimbursement. The email includes vendor " } }, { "id": "5c0dd81a-634f-4f98-83c5-6420c19fe3c4", "name": "Sticky Note6", "type": "n8n-nodes-base.stickyNote", "position": [ 2000, 1856 ], "parameters": { "width": 1004, "height": 516, "content": "![Alt text](https://wisestackai.s3.ap-southeast-1.amazonaws.com/Screenshot+2025-08-02+at+10.01.32%E2%80%AFPM.png \"Optional title text\")" } }, { "id": "6c4e9c64-e684-45c3-b979-b7de198df9b8", "name": "On form submission", "type": "n8n-nodes-base.formTrigger", "position": [ -736, 1664 ] }, { "id": "fca9ee73-d2da-4420-a541-8b641a70b097", "name": "Transform Output", "type": "n8n-nodes-base.code", "position": [ 832, 1808 ] }, { "id": "2d99c9cf-842c-4fec-af66-c87291a39383", "name": "Upload file", "type": "n8n-nodes-base.googleDrive", "position": [ -96, 1424 ] }, { "id": "f2249caa-a6b6-41d5-8ed8-9dac36134716", "name": "Sticky Note9", "type": "n8n-nodes-base.stickyNote", "position": [ -240, 1280 ], "parameters": { "width": 892, "height": 320, "content": "## 1.2. Store Invoices in Google Sheet\n\nThe parsed invoice records are transformed and appended to a Google Sheet for tracking, auditing, or reimbursement purposes. Each uploaded receipt is saved with" } }, { "id": "509b2701-e1d7-43da-bf7f-c51b0f4b68d6", "name": "Sticky Note10", "type": "n8n-nodes-base.stickyNote", "position": [ 720, 1664 ], "parameters": { "width": 620, "height": 336, "content": "## 2. Transform and Generate HTML Email\n\nThis step prepares a professional email summary by combining employee trip details and all extracted expense information. The result is an HTML email template " } }, { "id": "e8937db3-e66b-4638-84b1-06c847440628", "name": "Extract from File", "type": "n8n-nodes-base.extractFromFile", "position": [ -96, 1808 ] }, { "id": "36c4ad16-9720-4a79-b112-81b7836234be", "name": "DocClaim Assistant Agent", "type": "@n8n/n8n-nodes-langchain.agent", "position": [ 176, 1808 ] }, { "id": "ca934b9b-3c6a-45e3-8df6-90593691a6e3", "name": "Append row in sheet", "type": "n8n-nodes-base.googleSheets", "position": [ 384, 1424 ] }, { "id": "ac2f4a6e-d950-4aa8-b0b3-072eac9fbe0d", "name": "Transform invoice record", "type": "n8n-nodes-base.code", "position": [ 144, 1424 ] }, { "id": "4ab39a13-3479-40d8-b782-201416bb4cc8", "name": "Structured Output Parser", "type": "@n8n/n8n-nodes-langchain.outputParserStructured", "position": [ 384, 1984 ] }, { "id": "8ae7f569-3bb0-4d3b-91a2-fd0ae82649bc", "name": "Create HTML Email Template", "type": "n8n-nodes-base.code", "position": [ 1120, 1808 ] }, { "id": "b32b2c21-d4a9-4c58-8f4b-0cc35436cce5", "name": "Sticky Note8", "type": "n8n-nodes-base.stickyNote", "position": [ 2000, 1328 ], "parameters": { "width": 1004, "height": 516, "content": "![Alt text](https://wisestackai.s3.ap-southeast-1.amazonaws.com/Screenshot+2025-08-02+at+10.00.53%E2%80%AFPM.png \"Optional title text\")" } }, { "id": "c3755330-96b8-4aa6-9463-8bb77a6c178c", "name": "Send trip expense request to finance team", "type": "n8n-nodes-base.emailSend", "position": [ 1600, 1808 ] }, { "id": "97927e98-c5b0-4a7c-a183-88e47919b050", "name": "Handle multiple files", "type": "n8n-nodes-base.code", "position": [ -464, 1664 ] }, { "id": "5cd08389-4b62-41e8-845b-c321361e03d2", "name": "GPT", "type": "@n8n/n8n-nodes-langchain.lmChatOpenAi", "position": [ 160, 1984 ] } ], "connections": { "GPT": { "ai_languageModel": [ [ { "node": "DocClaim Assistant Agent", "type": "ai_languageModel", "index": 0 } ] ] }, "Upload file": { "main": [ [ { "node": "Transform invoice record", "type": "main", "index": 0 } ] ] }, "Transform Output": { "main": [ [ { "node": "Create HTML Email Template", "type": "main", "index": 0 } ] ] }, "Extract from File": { "main": [ [ { "node": "DocClaim Assistant Agent", "type": "main", "index": 0 } ] ] }, "On form submission": { "main": [ [ { "node": "Handle multiple files", "type": "main", "index": 0 } ] ] }, "Handle multiple files": { "main": [ [ { "node": "Upload file", "type": "main", "index": 0 }, { "node": "Extract from File", "type": "main", "index": 0 } ] ] }, "DocClaim Assistant Agent": { "main": [ [ { "node": "Transform Output", "type": "main", "index": 0 } ] ] }, "Structured Output Parser": { "ai_outputParser": [ [ { "node": "DocClaim Assistant Agent", "type": "ai_outputParser", "index": 0 } ] ] }, "Transform invoice record": { "main": [ [ { "node": "Append row in sheet", "type": "main", "index": 0 } ] ] }, "Create HTML Email Template": { "main": [ [ { "node": "Send trip expense request to finance team", "type": "main", "index": 0 } ] ] } } }