Workflow: configure an n8n workflow for Manual Htmlextract Automation Webhook
Integrations: htmlExtract, httpRequest, manualTrigger

{"nodes": [{"name": "On clicking 'execute'", "type": "n8n-nodes-base.manualTrigger", "position": [250, 300], "parameters": {}, "typeVersion": 1}, {"name": "HTTP Request", "type": "n8n-nodes-base.httpRequest", "position": [450, 300], "parameters": {"url": "https://hackernoon.com/", "options": {}, "responseFormat": "string"}, "typeVersion": 1}, {"name": "HTML Extract", "type": "n8n-nodes-base.htmlExtract", "position": [650, 300], "parameters": {"options": {}, "extractionValues": {"values": [{"key": "item", "cssSelector": "h2", "returnArray": true, "returnValue": "html"}]}}, "typeVersion": 1}, {"name": "HTML Extract1", "type": "n8n-nodes-base.htmlExtract", "position": [850, 300], "parameters": {"options": {}, "dataPropertyName": "item", "extractionValues": {"values": [{"key": "title", "cssSelector": "a"}, {"key": "url", "attribute": "href", "cssSelector": "a", "returnValue": "attribute"}]}}, "typeVersion": 1}], "connections": {"HTML Extract": {"main": [[{"node": "HTML Extract1", "type": "main", "index": 0}]]}, "HTTP Request": {"main": [[{"node": "HTML Extract", "type": "main", "index": 0}]]}, "On clicking 'execute'": {"main": [[{"node": "HTTP Request", "type": "main", "index": 0}]]}}}