447 lines
12 KiB
JSON
447 lines
12 KiB
JSON
{
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"meta": {
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"instanceId": "408f9fb9940c3cb18ffdef0e0150fe342d6e655c3a9fac21f0f644e8bedabcd9",
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"templateCredsSetupCompleted": true
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},
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"nodes": [
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{
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"id": "1083afcb-1257-45a3-b331-d93fb8769548",
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"name": "Schedule Trigger",
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"type": "n8n-nodes-base.scheduleTrigger",
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"position": [
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-840,
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0
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],
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"parameters": {
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"rule": {
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"interval": [
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{}
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]
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}
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},
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"typeVersion": 1.2
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},
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{
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"id": "c3ec0759-a3d1-4866-978a-bfe4f49ee81d",
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"name": "Get Hash of Contents",
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"type": "n8n-nodes-base.crypto",
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"position": [
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380,
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0
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],
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"parameters": {
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"value": "={{ $json.data }}",
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"dataPropertyName": "hash"
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},
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"typeVersion": 1
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},
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{
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"id": "4ad92ad3-6f99-43a5-9a61-374adb3b28f7",
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"name": "Notify of Change",
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"type": "n8n-nodes-base.gmail",
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"position": [
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1220,
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0
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],
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"webhookId": "cc4cbee1-ad57-48fb-810a-b21880357ab0",
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"parameters": {
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"sendTo": "jim@example.com",
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"message": "=site: {{ $('Variables').first().json.url }}\ndate: {{ $now.toISO() }}\nhash: {{ $json.hash }}\ncontents: {{ $json.gdrive }}",
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"options": {},
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"subject": "=Change detected for {{ $('Variables').first().json.url }}",
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"emailType": "text"
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},
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"credentials": {
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"gmailOAuth2": {
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"id": "Sf5Gfl9NiFTNXFWb",
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"name": "Gmail account"
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}
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},
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"typeVersion": 2.1
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},
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{
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"id": "9385242a-86b1-4624-ada9-949851b68054",
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"name": "Markdown",
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"type": "n8n-nodes-base.markdown",
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"position": [
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200,
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0
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],
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"parameters": {
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"html": "={{ $json.content.trim() }}",
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"options": {}
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},
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"typeVersion": 1
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},
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{
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"id": "663b6ba2-cbf9-44ea-a062-f88ccb0640c1",
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"name": "Variables",
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"type": "n8n-nodes-base.set",
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"position": [
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-460,
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0
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],
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"parameters": {
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"options": {},
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"assignments": {
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"assignments": [
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{
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"id": "fa706ed3-7425-4f0e-9590-d9478b4e6692",
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"name": "url",
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"type": "string",
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"value": "https://x.com/en/tos"
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}
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]
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}
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},
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"typeVersion": 3.4
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},
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{
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"id": "2ef69fff-4d7a-439a-b317-ea5fa3ce7869",
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"name": "Only New Hashes",
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"type": "n8n-nodes-base.removeDuplicates",
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"position": [
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560,
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0
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],
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"parameters": {
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"options": {
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"historySize": 1
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},
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"operation": "removeItemsSeenInPreviousExecutions",
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"dedupeValue": "={{ $json.hash }}"
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},
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"typeVersion": 2
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},
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{
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"id": "93e13d80-a26f-408f-be4e-b582ab9fd9bd",
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"name": "Log Record",
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"type": "n8n-nodes-base.googleSheets",
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"position": [
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1040,
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0
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],
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"parameters": {
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"columns": {
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"value": {
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"hash": "={{ $('Get Hash of Contents').first().json.hash }}",
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"gdrive": "=https://drive.google.com/file/d/{{ $json.id }}/view?usp=sharing",
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"website": "={{ $('Variables').first().json.url }}",
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"date of change": "={{ $now.toISO() }}"
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},
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"schema": [
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{
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"id": "website",
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"type": "string",
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"display": true,
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"required": false,
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"displayName": "website",
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"defaultMatch": false,
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"canBeUsedToMatch": true
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},
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{
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"id": "hash",
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"type": "string",
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"display": true,
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"required": false,
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"displayName": "hash",
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"defaultMatch": false,
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"canBeUsedToMatch": true
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},
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{
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"id": "date of change",
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"type": "string",
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"display": true,
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"required": false,
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"displayName": "date of change",
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"defaultMatch": false,
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"canBeUsedToMatch": true
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},
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{
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"id": "gdrive",
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"type": "string",
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"display": true,
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"removed": false,
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"required": false,
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"displayName": "gdrive",
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"defaultMatch": false,
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"canBeUsedToMatch": true
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}
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],
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"mappingMode": "defineBelow",
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"matchingColumns": [],
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"attemptToConvertTypes": false,
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"convertFieldsToString": false
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},
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"options": {},
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"operation": "append",
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"sheetName": {
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"__rl": true,
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"mode": "list",
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"value": "gid=0",
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"cachedResultUrl": "https://docs.google.com/spreadsheets/d/1K13OBMicH-ebhvJRYo4sHiOuHd1KIX2jiFxBLWy2UOk/edit#gid=0",
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"cachedResultName": "Sheet1"
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},
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"documentId": {
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"__rl": true,
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"mode": "list",
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"value": "1K13OBMicH-ebhvJRYo4sHiOuHd1KIX2jiFxBLWy2UOk",
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"cachedResultUrl": "https://docs.google.com/spreadsheets/d/1K13OBMicH-ebhvJRYo4sHiOuHd1KIX2jiFxBLWy2UOk/edit?usp=drivesdk",
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"cachedResultName": "86. Webpage Changes Tracker"
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}
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},
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"credentials": {
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"googleSheetsOAuth2Api": {
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"id": "XHvC7jIRR8A2TlUl",
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"name": "Google Sheets account"
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}
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},
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"typeVersion": 4.5
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},
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{
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"id": "dea15963-61de-4371-b716-7683e0e703a9",
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"name": "Sticky Note",
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"type": "n8n-nodes-base.stickyNote",
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"position": [
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-540,
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-160
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],
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"parameters": {
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"color": 7,
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"width": 620,
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"height": 380,
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"content": "## 1. Fetch a Webpage Contents\n[Read more about the HTTP request node](https://docs.n8n.io/integrations/builtin/core-nodes/n8n-nodes-base.httprequest)"
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},
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"typeVersion": 1
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},
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{
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"id": "bcb1c0b1-fc77-4417-a9c0-6299ce8ca33e",
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"name": "Sticky Note1",
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"type": "n8n-nodes-base.stickyNote",
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"position": [
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100,
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-160
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],
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"parameters": {
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"color": 7,
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"width": 640,
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"height": 400,
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"content": "## 2. Use Hashing to Detect Changes\n[Learn more about the cryptography node](https://docs.n8n.io/integrations/builtin/core-nodes/n8n-nodes-base.crypto/)"
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},
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"typeVersion": 1
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},
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{
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"id": "eda51de6-80a2-42b1-83ba-66c551911c45",
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"name": "Fetch Webpage",
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"type": "n8n-nodes-base.httpRequest",
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"position": [
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-280,
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0
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],
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"parameters": {
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"url": "={{ $json.url }}",
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"options": {},
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"sendHeaders": true,
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"headerParameters": {
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"parameters": [
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{
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"name": "User-Agent",
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"value": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.0.0.0 Safari/537.36"
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}
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]
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}
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},
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"typeVersion": 4.2
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},
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{
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"id": "8aa998f1-1558-4b54-a95a-7be9360a819a",
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"name": "Extract Contents",
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"type": "n8n-nodes-base.html",
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"position": [
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-100,
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0
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],
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"parameters": {
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"options": {},
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"operation": "extractHtmlContent",
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"extractionValues": {
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"values": [
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{
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"key": "content",
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"cssSelector": ".ct07",
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"returnValue": "html"
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}
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]
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}
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},
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"typeVersion": 1.2
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},
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{
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"id": "ecb60054-563c-4c0b-949c-abdcd3896f6b",
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"name": "Sticky Note2",
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"type": "n8n-nodes-base.stickyNote",
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"position": [
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760,
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-160
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],
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"parameters": {
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"color": 7,
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"width": 660,
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"height": 400,
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"content": "## 3. Notify when Changes Occur\n[Read more about the Gmail node](https://docs.n8n.io/integrations/builtin/app-nodes/n8n-nodes-base.gmail)\n"
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},
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"typeVersion": 1
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},
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{
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"id": "30774606-5e63-4d73-9894-ba14d5b1fc46",
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"name": "Take a Snapshot",
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"type": "n8n-nodes-base.googleDrive",
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"position": [
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860,
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0
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],
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"parameters": {
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"name": "={{\n$('Variables').item.json.url\n .extractDomain()\n .replace('.','_')\n + $json.hash\n + '.md'\n}}",
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"content": "={{ $json.data }}",
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"driveId": {
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"__rl": true,
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"mode": "list",
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"value": "My Drive"
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},
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"options": {},
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"folderId": {
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"__rl": true,
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"mode": "list",
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"value": "1BbP5HRnjNkCvcDRFFg1bm0sNYBGZM6AU",
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"cachedResultUrl": "https://drive.google.com/drive/folders/1BbP5HRnjNkCvcDRFFg1bm0sNYBGZM6AU",
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"cachedResultName": "86. Monitor Webpage Changes"
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},
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"operation": "createFromText"
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},
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"credentials": {
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"googleDriveOAuth2Api": {
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"id": "yOwz41gMQclOadgu",
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"name": "Google Drive account"
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}
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},
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"typeVersion": 3
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},
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{
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"id": "9ae563ea-49a3-4dcc-9190-8746650018aa",
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"name": "Sticky Note3",
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"type": "n8n-nodes-base.stickyNote",
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"position": [
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-1040,
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-760
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],
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"parameters": {
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"width": 440,
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"height": 980,
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"content": "## Try it out\n### This n8n template can monitor and detect changes to a webpage's contents and notify you only when a change occurs.\n\nGreat to keep an eye on and track publicly available documents such as company TOS, government policy or competitor pages.\n\n### How it works\n* A scheduled trigger is used so we can run everyday to automate this process.\n* A website page is then fetched with the HTTP request node and the contents we want to track are extracted using the HTML node.\n* To detect changes, we generate a hash on the contents with the cryptography node and compare it with previously seen hashes using the \"remove duplicates\" node. If the hash was seen before, the workflow stops here.\n* Finally, when new changes are detected a copy of the contents are uploaded to Google Drive and a logged into a Google sheet. A notification email can also be sent if action is required.\n\n### How to use\n* Update the URL you want to track in the node named \"variables\" and ensure the HTML node has updated selectors to get the content you want.\n* Ensure the timezone is set correctly when using the Scheduled Trigger node.\n\n### Need Help?\nJoin the [Discord](https://discord.com/invite/XPKeKXeB7d) or ask in the [Forum](https://community.n8n.io/)!"
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},
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"typeVersion": 1
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}
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],
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"pinData": {},
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"connections": {
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"Markdown": {
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"main": [
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[
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{
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"node": "Get Hash of Contents",
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"type": "main",
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"index": 0
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}
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]
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]
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},
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"Variables": {
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"main": [
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[
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{
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"node": "Fetch Webpage",
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"type": "main",
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"index": 0
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}
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]
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]
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},
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"Log Record": {
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"main": [
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[
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{
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"node": "Notify of Change",
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"type": "main",
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"index": 0
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}
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]
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]
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},
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"Fetch Webpage": {
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"main": [
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[
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{
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"node": "Extract Contents",
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"type": "main",
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"index": 0
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}
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]
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]
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},
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"Only New Hashes": {
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"main": [
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[
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{
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"node": "Take a Snapshot",
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"type": "main",
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"index": 0
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}
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]
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]
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},
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"Take a Snapshot": {
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"main": [
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[
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{
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"node": "Log Record",
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"type": "main",
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"index": 0
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}
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]
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]
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},
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"Extract Contents": {
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"main": [
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[
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{
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"node": "Markdown",
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"type": "main",
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"index": 0
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}
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]
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]
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},
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"Schedule Trigger": {
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"main": [
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[
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{
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"node": "Variables",
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"type": "main",
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"index": 0
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}
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]
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]
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},
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"Get Hash of Contents": {
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"main": [
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[
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{
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"node": "Only New Hashes",
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"type": "main",
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"index": 0
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}
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]
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]
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}
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}
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} |