Workflow: construct a n8n workflow for Manual Http Create Webhook
Integrations: emailSend, htmlExtract, httpRequest, itemLists, manualTrigger, merge, spreadsheetFile

{"nodes": [{"name": "On clicking 'execute'", "type": "n8n-nodes-base.manualTrigger", "position": [-100, 470], "parameters": {}, "typeVersion": 1}, {"name": "HTTP Request", "type": "n8n-nodes-base.httpRequest", "notes": "Get news page", "position": [100, 470], "parameters": {"url": "=https://news.ycombinator.com/", "options": {"fullResponse": true, "batchInterval": 500}, "responseFormat": "file", "queryParametersUi": {"parameter": []}, "headerParametersUi": {"parameter": []}, "allowUnauthorizedCerts": true}, "notesInFlow": true, "typeVersion": 1}, {"name": "HTML Extract", "type": "n8n-nodes-base.htmlExtract", "notes": "extract news data", "position": [310, 470], "parameters": {"options": {}, "sourceData": "binary", "extractionValues": {"values": [{"key": "news_title", "cssSelector": ".storylink", "returnArray": true}, {"key": "news_url", "attribute": "href", "cssSelector": ".storylink", "returnArray": true, "returnValue": "attribute"}]}}, "notesInFlow": true, "typeVersion": 1}, {"name": "list news url", "type": "n8n-nodes-base.itemLists", "position": [500, 570], "parameters": {"options": {}, "fieldToSplitOut": "news_url"}, "typeVersion": 1}, {"name": "list news title", "type": "n8n-nodes-base.itemLists", "position": [500, 390], "parameters": {"options": {}, "fieldToSplitOut": "news_title"}, "typeVersion": 1}, {"name": "Merge", "type": "n8n-nodes-base.merge", "position": [700, 470], "parameters": {"mode": "mergeByIndex"}, "typeVersion": 1}, {"name": "Spreadsheet File", "type": "n8n-nodes-base.spreadsheetFile", "position": [870, 470], "parameters": {"options": {"fileName": "=Ycombinator_news_{{new Date().toISOString().split('T', 1)[0]}}.{{$parameter[\"fileFormat\"]}}", "sheetName": "Latest news"}, "operation": "toFile"}, "typeVersion": 1}, {"name": "Send email notification", "type": "n8n-nodes-base.emailSend", "position": [1050, 470], "parameters": {"text": "=Here are the latest news attached!", "options": {}, "subject": "Ycombinator news", "toEmail": "", "fromEmail": "", "attachments": "data"}, "credentials": {"smtp": ""}, "typeVersion": 1}], "connections": {"Merge": {"main": [[{"node": "Spreadsheet File", "type": "main", "index": 0}]]}, "HTML Extract": {"main": [[{"node": "list news title", "type": "main", "index": 0}, {"node": "list news url", "type": "main", "index": 0}]]}, "HTTP Request": {"main": [[{"node": "HTML Extract", "type": "main", "index": 0}]]}, "list news url": {"main": [[{"node": "Merge", "type": "main", "index": 1}]]}, "list news title": {"main": [[{"node": "Merge", "type": "main", "index": 0}]]}, "Spreadsheet File": {"main": [[{"node": "Send email notification", "type": "main", "index": 0}]]}, "On clicking 'execute'": {"main": [[{"node": "HTTP Request", "type": "main", "index": 0}]]}}}