OpenAIアシスタントを基にしたGmail自動返信ドラフト生成
上級
これはTicket Management, Multimodal AI分野の自動化ワークフローで、23個のノードを含みます。主にSet, Code, Gmail, Limit, Markdownなどのノードを使用。 OpenAIアシスタントを使ったGmail自動返信ドレフト生成
前提条件
- •Googleアカウント + Gmail API認証情報
- •ターゲットAPIの認証情報が必要な場合あり
- •OpenAI API Key
ワークフロープレビュー
ノード接続関係を可視化、ズームとパンをサポート
ワークフローをエクスポート
以下のJSON設定をn8nにインポートして、このワークフローを使用できます
{
"nodes": [
{
"id": "a99b3164-fe36-4dde-9525-110c1ae08afb",
"name": "生データをbase64に変換",
"type": "n8n-nodes-base.code",
"position": [
3320,
580
],
"parameters": {
"mode": "runOnceForEachItem",
"jsCode": "const encoded = Buffer.from($json.raw).toString('base64');\n\nreturn { encoded };"
},
"typeVersion": 2
},
{
"id": "f0f731bd-7b2f-4c39-bc06-42fd57bc4ae8",
"name": "スレッドにメール下書きを追加",
"type": "n8n-nodes-base.httpRequest",
"position": [
3580,
580
],
"parameters": {
"url": "https://www.googleapis.com/gmail/v1/users/me/drafts",
"method": "POST",
"options": {},
"jsonBody": "={\"message\":{\"raw\":\"{{ $json.encoded }}\", \"threadId\": \"{{ $('Map fields for further processing').item.json[\"threadId\"] }}\"}}",
"sendBody": true,
"specifyBody": "json",
"authentication": "predefinedCredentialType",
"nodeCredentialType": "gmailOAuth2"
},
"credentials": {
"gmailOAuth2": {
"id": "uBcIMfsTtKjexw7I",
"name": "Gmail (workfloowstutorial@gmail.com)"
}
},
"typeVersion": 4.1
},
{
"id": "c1ce3400-4582-46c7-a85d-8fa9c325ff7b",
"name": "メールからAIラベルを削除",
"type": "n8n-nodes-base.gmail",
"position": [
3820,
580
],
"parameters": {
"resource": "thread",
"threadId": "={{ $('Map fields for further processing').item.json[\"threadId\"] }}",
"operation": "removeLabels"
},
"credentials": {
"gmailOAuth2": {
"id": "uBcIMfsTtKjexw7I",
"name": "Gmail (workfloowstutorial@gmail.com)"
}
},
"typeVersion": 2.1
},
{
"id": "65f0508a-ca2e-49ce-b02f-ef6505b5e983",
"name": "スケジュールトリガー（1分）",
"type": "n8n-nodes-base.scheduleTrigger",
"position": [
960,
580
],
"parameters": {
"rule": {
"interval": [
{
"field": "minutes",
"minutesInterval": 1
}
]
}
},
"typeVersion": 1.1
},
{
"id": "ca4a209b-a79d-4911-b69b-1db22808be60",
"name": "後続処理のためのフィールドマッピング",
"type": "n8n-nodes-base.set",
"position": [
2620,
580
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "a77b2d79-1e70-410c-a657-f3d618154ea1",
"name": "response",
"type": "string",
"value": "={{ $json.output }}"
},
{
"id": "20850cac-f82c-4f02-84f0-3de31871a5b8",
"name": "threadId",
"type": "string",
"value": "={{ $('Get single message content').item.json[\"threadId\"] }}"
},
{
"id": "d270c18e-39a0-4d87-85f0-cc1ffc9c10ff",
"name": "to",
"type": "string",
"value": "={{ $('Get single message content').item.json[\"from\"][\"text\"] }}"
},
{
"id": "30acb50b-bdde-44bf-803c-76e0ae65f526",
"name": "subject",
"type": "string",
"value": "={{ $('Get single message content').item.json[\"subject\"] }}"
},
{
"id": "88914536-8c25-4877-8914-feab5e32fae3",
"name": "messageId",
"type": "string",
"value": "={{ $('Get threads with specific labels').item.json[\"id\"] }}"
}
]
}
},
"typeVersion": 3.3
},
{
"id": "93eb3844-f1fe-4b09-bcae-3e372a19ab6f",
"name": "応答をHTMLに変換",
"type": "n8n-nodes-base.markdown",
"position": [
2860,
580
],
"parameters": {
"mode": "markdownToHtml",
"options": {
"simpleLineBreaks": false
},
"markdown": "={{ $json.response }}",
"destinationKey": "response"
},
"typeVersion": 1
},
{
"id": "da35eda9-b63e-49f9-8fe8-7517c1445c92",
"name": "メール生データの構築",
"type": "n8n-nodes-base.set",
"position": [
3100,
580
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "913e9cb1-10de-4637-bf48-40272c7c7fe3",
"name": "raw",
"type": "string",
"value": "=To: {{ $json.to }}\nSubject: {{ $json.subject }}\nContent-Type: text/html; charset=\"utf-8\"\n\n{{ $json.response }}"
}
]
}
},
"typeVersion": 3.3
},
{
"id": "b667a399-a178-42e3-a587-4eccd2a153d8",
"name": "付箋メモ",
"type": "n8n-nodes-base.stickyNote",
"position": [
460,
460
],
"parameters": {
"color": 4,
"width": 420.4803040774015,
"height": 189.69151356225348,
"content": "## Reply draft with OpenAI Assistant\nThis workflow automatically transfers content of incoming email messages with specific labels into OpenAI Assitant and returns reply draft. After draft is composed, trigger label is deleted from the thread.\n\n**Please remember to configure your OpenAI Assistant first.**"
},
"typeVersion": 1
},
{
"id": "fe47636b-2142-4c40-a937-2ec360b230ae",
"name": "付箋メモ2",
"type": "n8n-nodes-base.stickyNote",
"position": [
900,
460
],
"parameters": {
"width": 451.41125086385614,
"height": 313.3056033573073,
"content": "### Schedule trigger and get emails\nRun the workflow in equal intervals and check for threads with specific labels (trigger labels)."
},
"typeVersion": 1
},
{
"id": "c9bfa42c-a045-404d-aebe-d87dceb68f1a",
"name": "付箋メモ1",
"type": "n8n-nodes-base.stickyNote",
"position": [
460,
680
],
"parameters": {
"color": 3,
"width": 421.0932411886662,
"height": 257.42916378714597,
"content": "## ⚠️ Note\n\n1. Complete video guide for this workflow is available [on my YouTube](https://youtu.be/a8Dhj3Zh9vQ). \n2. Remember to add your credentials and configure nodes (covered in the video guide).\n3. If you like this workflow, please subscribe to [my YouTube channel](https://www.youtube.com/@workfloows) and/or [my newsletter](https://workfloows.com/).\n\n**Thank you for your support!**"
},
"typeVersion": 1
},
{
"id": "40424340-c0ec-435a-9ce0-0e0dc3b94cfc",
"name": "付箋メモ4",
"type": "n8n-nodes-base.stickyNote",
"position": [
2160,
460
],
"parameters": {
"width": 381.6458068293894,
"height": 313.7892229150129,
"content": "### Generate reply\nTransfer email content to OpenAI Assitant and return AI-generated reply.\n"
},
"typeVersion": 1
},
{
"id": "e7cce507-6658-414d-8cbc-3af847dad124",
"name": "付箋メモ5",
"type": "n8n-nodes-base.stickyNote",
"position": [
2800,
460
],
"parameters": {
"width": 219.88389496558554,
"height": 314.75072291501283,
"content": "### Create HTML message\nConvert incoming Markdown from OpenAI Assistant into HTML content."
},
"typeVersion": 1
},
{
"id": "2b383967-0a23-46a1-9a19-a9532a3c3425",
"name": "付箋メモ7",
"type": "n8n-nodes-base.stickyNote",
"position": [
3040,
460
],
"parameters": {
"width": 461.3148409669012,
"height": 314.75072291501283,
"content": "### Build and encode message\nCreate raw message in RFC standard and encode it into base64 string (please see [Gmail API reference](https://developers.google.com/gmail/api/reference/rest/v1/users.drafts/create) for more details)."
},
"typeVersion": 1
},
{
"id": "07685b17-cf22-4adf-a6b7-7acc2d863115",
"name": "付箋メモ8",
"type": "n8n-nodes-base.stickyNote",
"position": [
3520,
460
],
"parameters": {
"width": 219.88389496558554,
"height": 314.75072291501283,
"content": "### Insert reply draft\nAdd reply draft from OpenAI Assistant to specific Gmail thread."
},
"typeVersion": 1
},
{
"id": "1e8109f8-7dd3-4308-a5e8-32382aa41805",
"name": "付箋メモ9",
"type": "n8n-nodes-base.stickyNote",
"position": [
3760,
460
],
"parameters": {
"width": 219.88389496558554,
"height": 314.75072291501283,
"content": "### Remove label\nDelete trigger label from the Gmail thread."
},
"typeVersion": 1
},
{
"id": "d488db90-7367-49fa-b366-ccdfc796b5b3",
"name": "特定ラベル付きスレッドの取得",
"type": "n8n-nodes-base.gmail",
"position": [
1180,
580
],
"parameters": {
"filters": {
"labelIds": []
},
"resource": "thread",
"returnAll": true
},
"credentials": {
"gmailOAuth2": {
"id": "uBcIMfsTtKjexw7I",
"name": "Gmail (workfloowstutorial@gmail.com)"
}
},
"typeVersion": 2.1
},
{
"id": "9f5262c5-d319-4a9d-af6e-aa42970d1a6f",
"name": "OpenAIアシスタントに問い合わせ",
"type": "@n8n/n8n-nodes-langchain.openAi",
"position": [
2220,
580
],
"parameters": {
"text": "={{ $json.text }}",
"prompt": "define",
"options": {},
"resource": "assistant",
"assistantId": {
"__rl": true,
"mode": "list",
"value": "asst_kmKeAtwF2rv0vgF0ujY4jlp6",
"cachedResultName": "Customer assistant"
}
},
"credentials": {
"openAiApi": {
"id": "jazew1WAaSRrjcHp",
"name": "OpenAI (workfloows@gmail.com)"
}
},
"typeVersion": 1
},
{
"id": "6ffd7d66-40b6-49a4-9e15-9742bda73d2f",
"name": "スレッドのループ処理",
"type": "n8n-nodes-base.splitInBatches",
"position": [
1440,
580
],
"parameters": {
"options": {}
},
"typeVersion": 3
},
{
"id": "8afc47c8-075f-4f3d-a89d-fda81fc270fc",
"name": "スレッドメッセージの取得",
"type": "n8n-nodes-base.gmail",
"position": [
1700,
820
],
"parameters": {
"options": {
"returnOnlyMessages": true
},
"resource": "thread",
"threadId": "={{ $json.id }}",
"operation": "get"
},
"credentials": {
"gmailOAuth2": {
"id": "uBcIMfsTtKjexw7I",
"name": "Gmail (workfloowstutorial@gmail.com)"
}
},
"typeVersion": 2.1
},
{
"id": "2286bfa7-dcb8-4a61-a71b-ea58e21bf7ab",
"name": "スレッドの最終メッセージを返す",
"type": "n8n-nodes-base.limit",
"position": [
1920,
820
],
"parameters": {
"keep": "lastItems"
},
"typeVersion": 1
},
{
"id": "44c52e61-dd88-4499-85db-69ce4704c2b2",
"name": "単一メッセージ内容の取得",
"type": "n8n-nodes-base.gmail",
"position": [
1700,
460
],
"parameters": {
"simple": false,
"options": {},
"messageId": "={{ $json.id }}",
"operation": "get"
},
"credentials": {
"gmailOAuth2": {
"id": "uBcIMfsTtKjexw7I",
"name": "Gmail (workfloowstutorial@gmail.com)"
}
},
"typeVersion": 2.1
},
{
"id": "7ca62611-f02e-47bf-b940-3a56ece443b7",
"name": "付箋メモ10",
"type": "n8n-nodes-base.stickyNote",
"position": [
1640,
340
],
"parameters": {
"width": 219.88389496558554,
"height": 314.75072291501283,
"content": "### Return message content\nRetrieve content of the last message in the thread."
},
"typeVersion": 1
},
{
"id": "165df2a4-3c94-456d-9906-be8020098802",
"name": "付箋メモ11",
"type": "n8n-nodes-base.stickyNote",
"position": [
1640,
680
],
"parameters": {
"width": 470.88389496558545,
"height": 314.75072291501283,
"content": "### Get last message from thread\nReturn all messages for a single thread and pass for further processing only the last one."
},
"typeVersion": 1
}
],
"active": false,
"pinData": {},
"settings": {
"executionOrder": "v1"
},
"connections": {
"da35eda9-b63e-49f9-8fe8-7517c1445c92": {
"main": [
[
{
"node": "a99b3164-fe36-4dde-9525-110c1ae08afb",
"type": "main",
"index": 0
}
]
]
},
"6ffd7d66-40b6-49a4-9e15-9742bda73d2f": {
"main": [
[
{
"node": "44c52e61-dd88-4499-85db-69ce4704c2b2",
"type": "main",
"index": 0
}
],
[
{
"node": "8afc47c8-075f-4f3d-a89d-fda81fc270fc",
"type": "main",
"index": 0
}
]
]
},
"8afc47c8-075f-4f3d-a89d-fda81fc270fc": {
"main": [
[
{
"node": "2286bfa7-dcb8-4a61-a71b-ea58e21bf7ab",
"type": "main",
"index": 0
}
]
]
},
"9f5262c5-d319-4a9d-af6e-aa42970d1a6f": {
"main": [
[
{
"node": "ca4a209b-a79d-4911-b69b-1db22808be60",
"type": "main",
"index": 0
}
]
]
},
"a99b3164-fe36-4dde-9525-110c1ae08afb": {
"main": [
[
{
"node": "f0f731bd-7b2f-4c39-bc06-42fd57bc4ae8",
"type": "main",
"index": 0
}
]
]
},
"93eb3844-f1fe-4b09-bcae-3e372a19ab6f": {
"main": [
[
{
"node": "da35eda9-b63e-49f9-8fe8-7517c1445c92",
"type": "main",
"index": 0
}
]
]
},
"65f0508a-ca2e-49ce-b02f-ef6505b5e983": {
"main": [
[
{
"node": "d488db90-7367-49fa-b366-ccdfc796b5b3",
"type": "main",
"index": 0
}
]
]
},
"f0f731bd-7b2f-4c39-bc06-42fd57bc4ae8": {
"main": [
[
{
"node": "c1ce3400-4582-46c7-a85d-8fa9c325ff7b",
"type": "main",
"index": 0
}
]
]
},
"44c52e61-dd88-4499-85db-69ce4704c2b2": {
"main": [
[
{
"node": "9f5262c5-d319-4a9d-af6e-aa42970d1a6f",
"type": "main",
"index": 0
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},
"2286bfa7-dcb8-4a61-a71b-ea58e21bf7ab": {
"main": [
[
{
"node": "6ffd7d66-40b6-49a4-9e15-9742bda73d2f",
"type": "main",
"index": 0
}
]
]
},
"d488db90-7367-49fa-b366-ccdfc796b5b3": {
"main": [
[
{
"node": "6ffd7d66-40b6-49a4-9e15-9742bda73d2f",
"type": "main",
"index": 0
}
]
]
},
"ca4a209b-a79d-4911-b69b-1db22808be60": {
"main": [
[
{
"node": "93eb3844-f1fe-4b09-bcae-3e372a19ab6f",
"type": "main",
"index": 0
}
]
]
}
}
}よくある質問
このワークフローの使い方は？
上記のJSON設定コードをコピーし、n8nインスタンスで新しいワークフローを作成して「JSONからインポート」を選択、設定を貼り付けて認証情報を必要に応じて変更してください。
このワークフローはどんな場面に適していますか？
上級 - チケット管理, マルチモーダルAI
有料ですか？
このワークフローは完全無料です。ただし、ワークフローで使用するサードパーティサービス（OpenAI APIなど）は別途料金が発生する場合があります。
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ワークフロー情報
難易度
上級
ノード数23
カテゴリー2
ノードタイプ10
作成者
Hichul
@melikahichulWater Engineer, learning to integrate AI, ML, DL, NNA into Water Engineering for LMI Countries.
外部リンク
n8n.ioで表示 →
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