Customer and Sales Support
工作流概述
这是一个包含7个节点的中等工作流,主要用于自动化处理各种任务。
工作流源代码
{
"id": "7Pw91QNT4UGeNmL5",
"meta": {
"instanceId": "95959af22bc98ea4ce12f3aa06514276ddf020a37e9465025051938d10308902",
"templateCredsSetupCompleted": true
},
"name": "Customer and Sales Support",
"tags": [],
"nodes": [
{
"id": "99d711a1-2341-493b-ba56-e40e76e07d97",
"name": "When chat message received",
"type": "@n8n/n8n-nodes-langchain.chatTrigger",
"position": [
-360,
-120
],
"webhookId": "1de1a4dd-cea5-4c95-b489-6004601ff727",
"parameters": {
"public": true,
"options": {
"responseMode": "lastNode",
"loadPreviousSession": "memory"
},
"initialMessages": "Hi! I’m Babish from Apple Case. How can I help?”"
},
"typeVersion": 1.1
},
{
"id": "ab809cbb-0456-4a6f-b078-8a6f7bdbd4d0",
"name": "OpenAI Chat Model",
"type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
"position": [
60,
260
],
"parameters": {
"model": {
"__rl": true,
"mode": "list",
"value": "gpt-4.1",
"cachedResultName": "gpt-4.1"
},
"options": {
"maxTokens": 1024,
"temperature": 0.3
}
},
"credentials": {
"openAiApi": {
"id": "zqONgMf7CM0LERga",
"name": "OpenAi DPL 2"
}
},
"typeVersion": 1.2
},
{
"id": "e74bc18b-3058-4658-83fd-85f9a45d3537",
"name": "Simple Memory",
"type": "@n8n/n8n-nodes-langchain.memoryBufferWindow",
"position": [
-220,
240
],
"parameters": {},
"typeVersion": 1.3
},
{
"id": "008d806b-e56d-4c37-b64d-2eb6792eefb5",
"name": "Place order",
"type": "n8n-nodes-base.googleSheetsTool",
"position": [
540,
240
],
"parameters": {
"columns": {
"value": {
"Address": "={{ /*n8n-auto-generated-fromAI-override*/ $fromAI('Address', ``, 'string') }}",
"Case ID": "={{ /*n8n-auto-generated-fromAI-override*/ $fromAI('Case_ID', ``, 'string') }}",
"Quantity": "={{ /*n8n-auto-generated-fromAI-override*/ $fromAI('Quantity', ``, 'string') }}",
"Case Name": "={{ /*n8n-auto-generated-fromAI-override*/ $fromAI('Case_Name', ``, 'string') }}",
"Timestamp": "={{ /*n8n-auto-generated-fromAI-override*/ $fromAI('Timestamp', ``, 'string') }}",
"Phone Model": "={{ /*n8n-auto-generated-fromAI-override*/ $fromAI('Phone_Model', ``, 'string') }}",
"Phone Number": "={{ /*n8n-auto-generated-fromAI-override*/ $fromAI('Phone_Number', ``, 'string') }}",
"Customer Name": "={{ /*n8n-auto-generated-fromAI-override*/ $fromAI('Customer_Name', ``, 'string') }}"
},
"schema": [
{
"id": "Timestamp",
"type": "string",
"display": true,
"removed": false,
"required": false,
"displayName": "Timestamp",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "Case ID",
"type": "string",
"display": true,
"required": false,
"displayName": "Case ID",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "Case Name",
"type": "string",
"display": true,
"required": false,
"displayName": "Case Name",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "Phone Model",
"type": "string",
"display": true,
"required": false,
"displayName": "Phone Model",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "Customer Name",
"type": "string",
"display": true,
"removed": false,
"required": false,
"displayName": "Customer Name",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "Phone Number",
"type": "string",
"display": true,
"required": false,
"displayName": "Phone Number",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "Address",
"type": "string",
"display": true,
"removed": false,
"required": false,
"displayName": "Address",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "Quantity",
"type": "string",
"display": true,
"removed": false,
"required": false,
"displayName": "Quantity",
"defaultMatch": false,
"canBeUsedToMatch": true
}
],
"mappingMode": "defineBelow",
"matchingColumns": [],
"attemptToConvertTypes": false,
"convertFieldsToString": false
},
"options": {},
"operation": "append",
"sheetName": {
"__rl": true,
"mode": "list",
"value": 622166849,
"cachedResultUrl": "https://docs.google.com/spreadsheets/d/1btXGPudVDrG64coe5mIlw0Nd8r6YzOnNQ3wp7OVUffc/edit#gid=622166849",
"cachedResultName": "Order placed"
},
"documentId": {
"__rl": true,
"mode": "list",
"value": "1btXGPudVDrG64coe5mIlw0Nd8r6YzOnNQ3wp7OVUffc",
"cachedResultUrl": "https://docs.google.com/spreadsheets/d/1btXGPudVDrG64coe5mIlw0Nd8r6YzOnNQ3wp7OVUffc/edit?usp=drivesdk",
"cachedResultName": "Apple Case Stock"
}
},
"credentials": {
"googleSheetsOAuth2Api": {
"id": "r16nFPNT77oA4BPq",
"name": "Google Sheets account"
}
},
"typeVersion": 4.5
},
{
"id": "9f1d892a-ad76-47ce-815f-1a7cc7a46cf8",
"name": "Update Stock",
"type": "n8n-nodes-base.googleSheetsTool",
"position": [
660,
240
],
"parameters": {
"columns": {
"value": {
"Sold": "={{ /*n8n-auto-generated-fromAI-override*/ $fromAI('Sold', ``, 'string') }}",
"Case ID": "={{ /*n8n-auto-generated-fromAI-override*/ $fromAI('Case_ID__using_to_match_', ``, 'string') }}",
"Updated ISO": "={{ $now.toISO() }}",
"Quantity Available": "={{ /*n8n-auto-generated-fromAI-override*/ $fromAI('Quantity_Available', ``, 'string') }}"
},
"schema": [
{
"id": "Case ID",
"type": "string",
"display": true,
"removed": false,
"required": false,
"displayName": "Case ID",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "Phone Model",
"type": "string",
"display": true,
"removed": true,
"required": false,
"displayName": "Phone Model",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "Case Name",
"type": "string",
"display": true,
"removed": true,
"required": false,
"displayName": "Case Name",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "Case Type",
"type": "string",
"display": true,
"removed": true,
"required": false,
"displayName": "Case Type",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "Quantity Available",
"type": "string",
"display": true,
"removed": false,
"required": false,
"displayName": "Quantity Available",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "Initial Inventory,",
"type": "string",
"display": true,
"removed": true,
"required": false,
"displayName": "Initial Inventory,",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "Sold",
"type": "string",
"display": true,
"removed": false,
"required": false,
"displayName": "Sold",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "Updated ISO",
"type": "string",
"display": true,
"removed": false,
"required": false,
"displayName": "Updated ISO",
"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": [
"Case ID"
],
"attemptToConvertTypes": false,
"convertFieldsToString": false
},
"options": {},
"operation": "update",
"sheetName": {
"__rl": true,
"mode": "list",
"value": 2019723207,
"cachedResultUrl": "https://docs.google.com/spreadsheets/d/1btXGPudVDrG64coe5mIlw0Nd8r6YzOnNQ3wp7OVUffc/edit#gid=2019723207",
"cachedResultName": "Inventory"
},
"documentId": {
"__rl": true,
"mode": "list",
"value": "1btXGPudVDrG64coe5mIlw0Nd8r6YzOnNQ3wp7OVUffc",
"cachedResultUrl": "https://docs.google.com/spreadsheets/d/1btXGPudVDrG64coe5mIlw0Nd8r6YzOnNQ3wp7OVUffc/edit?usp=drivesdk",
"cachedResultName": "Apple Case Stock"
}
},
"credentials": {
"googleSheetsOAuth2Api": {
"id": "r16nFPNT77oA4BPq",
"name": "Google Sheets account"
}
},
"typeVersion": 4.5
},
{
"id": "7f0e6e31-6bdb-4901-9c07-4fb6fa4734f0",
"name": "Support Agent",
"type": "@n8n/n8n-nodes-langchain.agent",
"position": [
120,
-120
],
"parameters": {
"options": {
"systemMessage": "=SYSTEM
You are the customer-support agent for “My Apple Case”.
TOOLS
• GetStock { \"phone_model\": string }
• Returns: [{ \"case_id\": int, \"case_name\": string,
\"quantity_available\": int, \"sold\": int,
\"image_url\": string, ... }]
• PlaceOrder { \"case_id\": int,
\"case_name\": string,
\"phone_model\": string,
\"customer_name\": string,
\"phone_number\": string,
\"address\": string,
\"quantity\": int }
• UpdateStock { \"case_id\": int,
\"quantity_sold\": int,
\"quantity_available\": int,
\"sold\": int }
• The \"case_id\" you send to PlaceOrder or UpdateStock must be the one that
appears **in the same row as the chosen case_name** from the latest
GetStock response. Do not invent or modify it.
RULES
1. Begin every user-visible reply with: **Welcome to My Apple Case.**
2. Speak English or Roman-Nepali, matching the customer.
3. ONE tool call per turn.
4. If GetStock returns an **image_url**, embed it after the text line using
Markdown:
``
5. Legal case_ids set
• The only valid case_id values are the ones you just received from
GetStock in this conversation turn.
6. Guard clause
• If you do not have a valid case_id for the customer’s chosen case,
ask follow-up questions or run GetStock again. DO NOT guess.
7.Picking the correct case_id
a. After GetStock returns, keep its rows in memory.
b. When the customer names a case_name you just showed, locate the row
whose case_name matches **exactly** (case-insensitive) and copy that
row’s case_id.
c. If more than one row shares the same case_name, ask which “Option #”
or show a numbered list so they can pick. Never guess.
WORKFLOW
a. If you don’t yet know stock data, call **GetStock** with the phone model.
b. From GetStock output read:
qa = quantity_available
sold = sold
img = image_url
• Show the case_id, case_name, qa and (if img exists) the image.
c. If qa < requested quantity → apologize, no PlaceOrder.
d. Determine the correct case_id:
• EXACT match: one row → use that row’s case_id.
• Multiple matches: show a numbered list and ask the customer to
choose (e.g. “Type 1 or 2”). Run no tools until they choose.
Then call PlaceOrder using that exact case_id.
e. Else collect missing customer fields → call **PlaceOrder**.
f. After PlaceOrder succeeds, compute:
qa_new = qa - quantity
sold_new = sold + quantity
then call **UpdateStock** with:
{ \"case_id\": ..., \"quantity_sold\": quantity,
\"quantity_available\": qa_new, \"sold\": sold_new }
g. After UpdateStock returns, thank the customer and show qa_new.
EXAMPLES
### Check stock with image
User: iPhone 12 ko cover cha?
Assistant → tool:
{ \"tool\": \"GetStock\", \"args\": { \"phone_model\": \"iPhone 12\" } }
(GetStock output example)
[
{
\"case_id\": 312,
\"case_name\": \"Clear MagSafe Case\",
\"quantity_available\": 25,
\"sold\": 75,
\"image_url\": \"https://example.com/clear-case.png\"
}
]
### Two rows same name
(GetStock output)
1. case_id 101 \"Leather Flip\" qty 3
2. case_id 202 \"Leather Flip\" qty 10
User: I want the Leather Flip case.
Assistant: Welcome to My Apple Case. I have two “Leather Flip” options:
(1) case_id 101 – 3 in stock
(2) case_id 202 – 10 in stock
Which one would you like? Please reply 1 or 2.
My Apple Case ma swagatam. **Clear MagSafe Case** – 25 stock cha.

",
"returnIntermediateSteps": true
}
},
"retryOnFail": true,
"typeVersion": 1.8
},
{
"id": "03153a59-4971-49db-86c2-5fd245b36d28",
"name": "GetStock",
"type": "n8n-nodes-base.googleSheetsTool",
"position": [
400,
240
],
"parameters": {
"options": {},
"filtersUI": {
"values": [
{
"lookupValue": "={{ /*n8n-auto-generated-fromAI-override*/ $fromAI('Value', ``, 'string') }}",
"lookupColumn": "Phone Model"
}
]
},
"sheetName": {
"__rl": true,
"mode": "list",
"value": 2019723207,
"cachedResultUrl": "https://docs.google.com/spreadsheets/d/1btXGPudVDrG64coe5mIlw0Nd8r6YzOnNQ3wp7OVUffc/edit#gid=2019723207",
"cachedResultName": "Inventory"
},
"documentId": {
"__rl": true,
"mode": "list",
"value": "1btXGPudVDrG64coe5mIlw0Nd8r6YzOnNQ3wp7OVUffc",
"cachedResultUrl": "https://docs.google.com/spreadsheets/d/1btXGPudVDrG64coe5mIlw0Nd8r6YzOnNQ3wp7OVUffc/edit?usp=drivesdk",
"cachedResultName": "Apple Case Stock"
},
"combineFilters": "OR"
},
"credentials": {
"googleSheetsOAuth2Api": {
"id": "r16nFPNT77oA4BPq",
"name": "Google Sheets account"
}
},
"typeVersion": 4.5
}
],
"active": false,
"pinData": {},
"settings": {
"executionOrder": "v1"
},
"versionId": "6f49665c-583f-456e-9ea9-bb95b172cac1",
"connections": {
"GetStock": {
"ai_tool": [
[
{
"node": "Support Agent",
"type": "ai_tool",
"index": 0
}
]
]
},
"Place order": {
"ai_tool": [
[
{
"node": "Support Agent",
"type": "ai_tool",
"index": 0
}
]
]
},
"Update Stock": {
"ai_tool": [
[
{
"node": "Support Agent",
"type": "ai_tool",
"index": 0
}
]
]
},
"Simple Memory": {
"ai_memory": [
[
{
"node": "Support Agent",
"type": "ai_memory",
"index": 0
},
{
"node": "When chat message received",
"type": "ai_memory",
"index": 0
}
]
]
},
"Support Agent": {
"main": [
[]
]
},
"OpenAI Chat Model": {
"ai_languageModel": [
[
{
"node": "Support Agent",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"When chat message received": {
"main": [
[
{
"node": "Support Agent",
"type": "main",
"index": 0
}
]
]
}
}
}
功能特点
- 自动检测新邮件
- AI智能内容分析
- 自定义分类规则
- 批量处理能力
- 详细的处理日志
技术分析
节点类型及作用
- @N8N/N8N Nodes Langchain.Chattrigger
- @N8N/N8N Nodes Langchain.Lmchatopenai
- @N8N/N8N Nodes Langchain.Memorybufferwindow
- Googlesheetstool
- @N8N/N8N Nodes Langchain.Agent
复杂度评估
配置难度:
维护难度:
扩展性:
实施指南
前置条件
- 有效的Gmail账户
- n8n平台访问权限
- Google API凭证
- AI分类服务订阅
配置步骤
- 在n8n中导入工作流JSON文件
- 配置Gmail节点的认证信息
- 设置AI分类器的API密钥
- 自定义分类规则和标签映射
- 测试工作流执行
- 配置定时触发器(可选)
关键参数
| 参数名称 | 默认值 | 说明 |
|---|---|---|
| maxEmails | 50 | 单次处理的最大邮件数量 |
| confidenceThreshold | 0.8 | 分类置信度阈值 |
| autoLabel | true | 是否自动添加标签 |
最佳实践
优化建议
- 定期更新AI分类模型以提高准确性
- 根据邮件量调整处理批次大小
- 设置合理的分类置信度阈值
- 定期清理过期的分类规则
安全注意事项
- 妥善保管API密钥和认证信息
- 限制工作流的访问权限
- 定期审查处理日志
- 启用双因素认证保护Gmail账户
性能优化
- 使用增量处理减少重复工作
- 缓存频繁访问的数据
- 并行处理多个邮件分类任务
- 监控系统资源使用情况
故障排除
常见问题
邮件未被正确分类
检查AI分类器的置信度阈值设置,适当降低阈值或更新训练数据。
Gmail认证失败
确认Google API凭证有效且具有正确的权限范围,重新进行OAuth授权。
调试技巧
- 启用详细日志记录查看每个步骤的执行情况
- 使用测试邮件验证分类逻辑
- 检查网络连接和API服务状态
- 逐步执行工作流定位问题节点
错误处理
工作流包含以下错误处理机制:
- 网络超时自动重试(最多3次)
- API错误记录和告警
- 处理失败邮件的隔离机制
- 异常情况下的回滚操作