The workflow JSON
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{
"name": "VK Teams Node Verification Matrix",
"description": "Draft workflow for real VK Teams custom-node verification: action matrix via form plus long-poll trigger branch. Assign a VK Teams API credential after import.",
"nodes": [
{
"id": "ffda8181-d51a-4b9c-8249-450328f64852",
"name": "Verification Instructions",
"type": "n8n-nodes-base.stickyNote",
"typeVersion": 1,
"position": [
0,
-460
],
"parameters": {
"width": 640,
"height": 340,
"color": 4,
"content": "## VK Teams verification matrix\n\nForm branch sends real VK Teams messages with clickable inline keyboards and returns the generated callbackData values plus sent message ids. It leaves the messages in chat so a human can press the buttons later.\n\nTrigger branch listens for real callbackQuery events, tries `callback.answerCallbackQuery` on the real queryId, and writes a compact execution summary so you can manually validate whether the click arrived and whether VK Teams accepted the callback answer.\n\nKeep this workflow active only while validating callbacks. It creates a real long-poll consumer for the bot and can conflict with other active VK Teams trigger workflows."
}
},
{
"id": "859546f5-3004-419d-8ee0-eaaee8e13020",
"name": "Run VK Teams Verification Form",
"type": "n8n-nodes-base.formTrigger",
"typeVersion": 2.5,
"position": [
0,
0
],
"parameters": {
"authentication": "none",
"formTitle": "VK Teams node verification matrix",
"formDescription": "Sends real VK Teams messages with clickable keyboards and returns the exact callbackData values to validate later in n8n executions.",
"formFields": {
"values": [
{
"fieldName": "chatId",
"fieldLabel": "Test chatId",
"fieldType": "text",
"placeholder": "chatId for a bot-accessible test chat",
"requiredField": true
},
{
"fieldName": "fileId",
"fieldLabel": "Existing fileId fallback",
"fieldType": "text",
"placeholder": "Optional; used if sendFile does not return fileId",
"requiredField": false
},
{
"fieldName": "label",
"fieldLabel": "Run label",
"fieldType": "text",
"placeholder": "Optional label for this run",
"requiredField": false
}
]
},
"responseMode": "lastNode",
"options": {
"path": "vk-teams-node-verification",
"buttonLabel": "Send VK Teams verification",
"appendAttribution": false
}
}
},
{
"id": "3b6389a3-ac90-4249-9d5d-b5f6c581c892",
"name": "Prepare Matrix Inputs",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
280,
0
],
"parameters": {
"mode": "runOnceForAllItems",
"language": "javaScript",
"jsCode": "const source = $input.first().json;\nconst value = (name) => String(source[name] ?? '').trim();\nconst runId = new Date().toISOString().replace(/[:.]/g, '-');\nconst label = value('label') || 'manual';\nconst chatId = value('chatId');\nif (!chatId) { throw new Error('chatId is required for real VK Teams action verification'); }\nreturn [{ json: {\n runId,\n label,\n chatId,\n fileId: value('fileId'),\n text: '<b>n8n VK Teams</b> sendText keyboard ' + runId + ' [' + label + ']',\n editableText: 'n8n VK Teams edit target ' + runId + ' [' + label + ']',\n editedText: '<i>n8n VK Teams edited keyboard</i> ' + runId + ' [' + label + ']',\n fileCaption: '<b>n8n VK Teams file</b> keyboard ' + runId + ' [' + label + ']',\n callbackText: 'n8n verification callback answered ' + runId,\n textParseMode: 'HTML',\n expectedCallbacks: [\n 'vk-teams-verification-text:' + runId,\n 'vk-teams-verification-edited:' + runId,\n 'vk-teams-verification-file:' + runId,\n 'vk-teams-verification-voice:' + runId,\n ],\n} }];"
}
},
{
"id": "16289691-87da-45e9-a09b-41b28ab3939a",
"name": "Bot Get Self",
"type": "n8n-nodes-vk-teams.vkTeams",
"typeVersion": 1,
"position": [
560,
-180
],
"parameters": {
"resource": "bot",
"operation": "getSelf"
}
},
{
"id": "91057dea-6d26-423e-8686-616768ffa559",
"name": "Chat Get Info",
"type": "n8n-nodes-vk-teams.vkTeams",
"typeVersion": 1,
"position": [
820,
-180
],
"parameters": {
"resource": "chat",
"operation": "getInfo",
"chatId": "={{ $(\"Prepare Matrix Inputs\").item.json.chatId }}"
}
},
{
"id": "440db5d2-f12e-48d5-9a8a-0cbb49e45a6d",
"name": "Send Text",
"type": "n8n-nodes-vk-teams.vkTeams",
"typeVersion": 1,
"position": [
1080,
-180
],
"parameters": {
"resource": "message",
"operation": "sendText",
"chatId": "={{ $(\"Prepare Matrix Inputs\").item.json.chatId }}",
"text": "={{ $(\"Prepare Matrix Inputs\").item.json.text }}",
"parseMode": "={{ $(\"Prepare Matrix Inputs\").item.json.textParseMode }}",
"keyboard": "inlineKeyboard",
"inlineKeyboard": {
"rows": [
{
"row": {
"buttons": [
{
"text": "Text Callback",
"buttonType": "callbackData",
"callbackData": "={{ \"vk-teams-verification-text:\" + $(\"Prepare Matrix Inputs\").item.json.runId }}",
"style": "primary"
},
{
"text": "Docs URL",
"buttonType": "url",
"url": "https://teams.vk.com/botapi/",
"style": "base"
}
]
}
}
]
}
}
},
{
"id": "c34cc0b7-b0ed-4047-84ef-642d8f5f0705",
"name": "Edit Text",
"type": "n8n-nodes-vk-teams.vkTeams",
"typeVersion": 1,
"position": [
1600,
-180
],
"parameters": {
"resource": "message",
"operation": "editText",
"chatId": "={{ $(\"Prepare Matrix Inputs\").item.json.chatId }}",
"msgId": "={{ $(\"Send Editable Text\").item.json.msgId }}",
"text": "={{ $(\"Prepare Matrix Inputs\").item.json.editedText }}",
"parseMode": "={{ $(\"Prepare Matrix Inputs\").item.json.textParseMode }}",
"keyboard": "inlineKeyboard",
"inlineKeyboard": {
"rows": [
{
"row": {
"buttons": [
{
"text": "Edited Callback",
"buttonType": "callbackData",
"callbackData": "={{ \"vk-teams-verification-edited:\" + $(\"Prepare Matrix Inputs\").item.json.runId }}",
"style": "attention"
}
]
}
}
]
}
}
},
{
"id": "77ad59ad-d556-4e38-bf7a-e4a5a6c7d1a8",
"name": "Prepare File Binary",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
1860,
-180
],
"parameters": {
"mode": "runOnceForAllItems",
"language": "javaScript",
"jsCode": "const source = $items('Prepare Matrix Inputs')[0].json;\nconst content = 'VK Teams sendFile verification\\nrunId=' + source.runId + '\\nlabel=' + source.label + '\\n';\nreturn [{ json: { ...source }, binary: { data: { data: Buffer.from(content, 'utf8').toString('base64'), mimeType: 'text/plain', fileName: 'vk-teams-verification-' + source.runId + '.txt' } } }];"
}
},
{
"id": "22efd2d0-813d-4eaf-a64e-78a13fe5d427",
"name": "Send File",
"type": "n8n-nodes-vk-teams.vkTeams",
"typeVersion": 1,
"position": [
2120,
-180
],
"parameters": {
"resource": "message",
"operation": "sendFile",
"chatId": "={{ $(\"Prepare Matrix Inputs\").item.json.chatId }}",
"binaryPropertyName": "data",
"caption": "={{ $(\"Prepare Matrix Inputs\").item.json.fileCaption }}",
"parseMode": "={{ $(\"Prepare Matrix Inputs\").item.json.textParseMode }}",
"keyboard": "inlineKeyboard",
"inlineKeyboard": {
"rows": [
{
"row": {
"buttons": [
{
"text": "File Callback",
"buttonType": "callbackData",
"callbackData": "={{ \"vk-teams-verification-file:\" + $(\"Prepare Matrix Inputs\").item.json.runId }}",
"style": "base"
},
{
"text": "File Docs",
"buttonType": "url",
"url": "https://teams.vk.com/botapi/",
"style": "primary"
}
]
}
}
]
}
}
},
{
"id": "0d0c67e1-5d48-4f5f-a0bd-ef0b5eb0e26d",
"name": "File Get Info",
"type": "n8n-nodes-vk-teams.vkTeams",
"typeVersion": 1,
"position": [
2380,
-180
],
"parameters": {
"resource": "file",
"operation": "getInfo",
"fileId": "={{ $(\"Send File\").item.json.fileId || $(\"Prepare Matrix Inputs\").item.json.fileId }}"
}
},
{
"id": "3532152c-07b1-4304-8ac0-a31d3d49457b",
"name": "File Download",
"type": "n8n-nodes-vk-teams.vkTeams",
"typeVersion": 1,
"position": [
2640,
-180
],
"parameters": {
"resource": "file",
"operation": "download",
"fileId": "={{ $(\"Send File\").item.json.fileId || $(\"Prepare Matrix Inputs\").item.json.fileId }}"
}
},
{
"id": "8059327b-5ba2-4106-9466-c0d7eee56c7a",
"name": "Prepare Voice Binary",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
2900,
-180
],
"parameters": {
"mode": "runOnceForAllItems",
"language": "javaScript",
"jsCode": "const source = $items('Prepare Matrix Inputs')[0].json;\nconst wav = Buffer.from([0x52,0x49,0x46,0x46,0x24,0x00,0x00,0x00,0x57,0x41,0x56,0x45,0x66,0x6d,0x74,0x20,0x10,0x00,0x00,0x00,0x01,0x00,0x01,0x00,0x40,0x1f,0x00,0x00,0x40,0x1f,0x00,0x00,0x01,0x00,0x08,0x00,0x64,0x61,0x74,0x61,0x00,0x00,0x00,0x00]);\nreturn [{ json: { ...source }, binary: { data: { data: wav.toString('base64'), mimeType: 'audio/wav', fileName: 'vk-teams-verification-' + source.runId + '.wav' } } }];"
}
},
{
"id": "36d819c7-4c1a-4b06-9669-6f4325db8d57",
"name": "Send Voice",
"type": "n8n-nodes-vk-teams.vkTeams",
"typeVersion": 1,
"position": [
3160,
-180
],
"parameters": {
"resource": "message",
"operation": "sendVoice",
"chatId": "={{ $(\"Prepare Matrix Inputs\").item.json.chatId }}",
"binaryPropertyName": "data",
"keyboard": "inlineKeyboard",
"inlineKeyboard": {
"rows": [
{
"row": {
"buttons": [
{
"text": "Voice Callback",
"buttonType": "callbackData",
"callbackData": "={{ \"vk-teams-verification-voice:\" + $(\"Prepare Matrix Inputs\").item.json.runId }}",
"style": "attention"
}
]
}
}
]
}
}
},
{
"id": "b06b30da-715f-48b1-8ba2-c7c46afd86d6",
"name": "Build Action Report",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
3680,
-180
],
"parameters": {
"mode": "runOnceForAllItems",
"language": "javaScript",
"jsCode": "const input = $(\"Prepare Matrix Inputs\").first().json;\nreturn [{ json: {\n phase: \"action_setup\",\n runId: input.runId,\n label: input.label,\n expectedCallbacks: input.expectedCallbacks,\n messageIds: {\n sendText: $(\"Send Text\").first().json.msgId,\n editText: $(\"Send Editable Text\").first().json.msgId,\n sendFile: $(\"Send File\").first().json.msgId,\n sendVoice: $(\"Send Voice\").first().json.msgId,\n },\n instructions: [\n \"1. Activate this workflow before clicking buttons so the callback trigger starts long polling.\",\n \"2. Press the callback buttons in VK Teams.\",\n \"3. Inspect trigger executions of this workflow: Summarize Trigger Event shows callback payload and Answer Callback Query result.\",\n ],\n} }];"
}
},
{
"id": "f6ce6e0e-19a4-48d9-8e0c-8566a8e30f9d",
"name": "VK Teams Trigger All Events",
"type": "n8n-nodes-vk-teams.vkTeamsTrigger",
"typeVersion": 1,
"position": [
0,
520
],
"parameters": {
"events": [
"callbackQuery"
],
"chatIds": "",
"userIds": "",
"downloadFiles": true
}
},
{
"id": "9d2bbac1-6065-41ba-a4fb-4dbe341cd74b",
"name": "Summarize Trigger Event",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
880,
520
],
"parameters": {
"mode": "runOnceForAllItems",
"language": "javaScript",
"jsCode": "const event = $(\"Extract Callback Event\").first().json;\nconst answer = $input.first()?.json ?? {};\nreturn [{ json: {\n verificationArea: \"trigger.callbackQuery\",\n runId: event.runId,\n callbackData: event.callbackData,\n queryId: event.queryId,\n eventId: event.eventId,\n userId: event.userId,\n chatId: event.chatId,\n messageId: event.messageId,\n answerStatus: answer.error ? \"failed\" : (answer.ok === true ? \"passed\" : \"unknown\"),\n answerError: answer.error,\n answerResult: answer.error ? undefined : answer,\n} }];"
}
},
{
"id": "7af98ba4-ea5f-4e10-b118-0aa8f4f17ac8",
"name": "Send Editable Text",
"type": "n8n-nodes-vk-teams.vkTeams",
"typeVersion": 1,
"position": [
1340,
-180
],
"credentials": {},
"parameters": {
"resource": "message",
"operation": "sendText",
"chatId": "={{ $(\"Prepare Matrix Inputs\").item.json.chatId }}",
"text": "={{ $(\"Prepare Matrix Inputs\").item.json.editableText }}",
"keyboard": "none"
}
},
{
"id": "d6e497cc-0f5d-4f5f-bfc7-c47ffb6ebef5",
"name": "Extract Callback Event",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
320,
520
],
"parameters": {
"mode": "runOnceForAllItems",
"language": "javaScript",
"jsCode": "const event = $input.first().json;\nconst callbackData = String(event.payload?.callbackData ?? \"\");\nconst isVerificationCallback = callbackData.startsWith(\"vk-teams-verification-\");\nif (!isVerificationCallback) {\n return [];\n}\nreturn [{ json: {\n phase: \"trigger_callback\",\n runId: callbackData.split(\":\").slice(1).join(\":\"),\n callbackData,\n queryId: event.payload?.queryId,\n eventId: event.eventId,\n userId: event.payload?.from?.userId,\n chatId: event.payload?.message?.chat?.chatId ?? event.payload?.chat?.chatId,\n messageId: event.payload?.message?.msgId,\n} }];"
}
},
{
"id": "c5bb5efe-9c09-4f74-be2b-c6dcaaf16a59",
"name": "Answer Callback Query",
"type": "n8n-nodes-vk-teams.vkTeams",
"typeVersion": 1,
"position": [
600,
520
],
"parameters": {
"resource": "callback",
"operation": "answerCallbackQuery",
"queryId": "={{ $(\"Extract Callback Event\").item.json.queryId }}",
"text": "={{ \"Recorded callback \" + $(\"Extract Callback Event\").item.json.callbackData }}"
},
"onError": "continueRegularOutput"
},
{
"id": "5b34f1bb-cae7-4ff7-8e36-8358c4771a58",
"name": "Send Callback Confirmation",
"type": "n8n-nodes-vk-teams.vkTeams",
"typeVersion": 1,
"position": [
600,
660
],
"parameters": {
"resource": "message",
"operation": "sendText",
"chatId": "={{ $(\"Extract Callback Event\").item.json.chatId }}",
"text": "={{ \"Callback received: \" + $(\"Extract Callback Event\").item.json.callbackData }}"
},
"onError": "continueRegularOutput"
}
],
"connections": {
"Run VK Teams Verification Form": {
"main": [
[
{
"node": "Prepare Matrix Inputs",
"type": "main",
"index": 0
}
]
]
},
"Prepare Matrix Inputs": {
"main": [
[
{
"node": "Bot Get Self",
"type": "main",
"index": 0
}
]
]
},
"Bot Get Self": {
"main": [
[
{
"node": "Chat Get Info",
"type": "main",
"index": 0
}
]
]
},
"Chat Get Info": {
"main": [
[
{
"node": "Send Text",
"type": "main",
"index": 0
}
]
]
},
"Send Text": {
"main": [
[
{
"node": "Send Editable Text",
"type": "main",
"index": 0
}
]
]
},
"Edit Text": {
"main": [
[
{
"node": "Prepare File Binary",
"type": "main",
"index": 0
}
]
]
},
"Prepare File Binary": {
"main": [
[
{
"node": "Send File",
"type": "main",
"index": 0
}
]
]
},
"Send File": {
"main": [
[
{
"node": "File Get Info",
"type": "main",
"index": 0
}
]
]
},
"File Get Info": {
"main": [
[
{
"node": "File Download",
"type": "main",
"index": 0
}
]
]
},
"File Download": {
"main": [
[
{
"node": "Prepare Voice Binary",
"type": "main",
"index": 0
}
]
]
},
"Prepare Voice Binary": {
"main": [
[
{
"node": "Send Voice",
"type": "main",
"index": 0
}
]
]
},
"Send Voice": {
"main": [
[
{
"node": "Build Action Report",
"type": "main",
"index": 0
}
]
]
},
"VK Teams Trigger All Events": {
"main": [
[
{
"node": "Extract Callback Event",
"type": "main",
"index": 0
}
]
]
},
"Send Editable Text": {
"main": [
[
{
"node": "Edit Text",
"type": "main",
"index": 0
}
]
]
},
"Extract Callback Event": {
"main": [
[
{
"node": "Answer Callback Query",
"type": "main",
"index": 0
},
{
"node": "Send Callback Confirmation",
"type": "main",
"index": 0
}
]
]
},
"Answer Callback Query": {
"main": [
[
{
"node": "Summarize Trigger Event",
"type": "main",
"index": 0
}
]
]
}
},
"settings": {
"executionOrder": "v1"
},
"active": false
}
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How this works
This workflow streamlines the verification of nodes in VK Teams by automating the process through a structured matrix, saving teams hours of manual checks and reducing errors in compliance audits. It is ideal for IT administrators or compliance officers managing VK Teams environments who need reliable node validation without deep technical expertise. The key step involves triggering a form to gather verification details, followed by the workflow's code node preparing inputs for a series of VK Teams API calls that fetch bot and chat information, send and edit confirmation texts, and generate binary files for reporting.
Use this workflow when handling periodic node verifications in VK Teams to ensure seamless integration and security, particularly in medium to large organisations with event-driven needs. Avoid it for one-off manual tasks or environments without VK Teams access, as it relies on specific API integrations. Common variations include adapting the form trigger for scheduled runs or expanding the matrix to include additional chat types for broader audits.
About this workflow
VK Teams Node Verification Matrix. Uses formTrigger, n8n-nodes-vk-teams. Event-driven trigger; 20 nodes.
Source: https://github.com/pfrankov/n8n-nodes-vk-teams/blob/master/docs/workflows/vk-teams-node-verification.workflow.json — original creator credit. Request a take-down →
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