Workflow: Webhook Respondtowebhook Create

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    "meta": {
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    "name": "Dynamically generate HTML page from user request using OpenAI Structured Output",
    "tags": [],
    "nodes": [
        {
            "id": "b1d9659f-4cd0-4f87-844d-32b2af1dcf13",
            "name": "Respond to Webhook",
            "type": "n8n-nodes-base.respondToWebhook",
            "position": [
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                380
            ],
            "parameters": {
                "options": {
                    "responseHeaders": {
                        "entries": [
                            {
                                "name": "Content-Type",
                                "value": "text\/html; charset=UTF-8"
                            }
                        ]
                    }
                },
                "respondWith": "text",
                "responseBody": "={{ $json.html }}"
            },
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        {
            "id": "5ca8ad3e-7702-4f07-af24-d38e94fdc4ec",
            "name": "Open AI - Using Structured Output",
            "type": "n8n-nodes-base.httpRequest",
            "position": [
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            ],
            "parameters": {
                "url": "https:\/\/api.openai.com\/v1\/chat\/completions",
                "method": "POST",
                "options": [],
                "jsonBody": "={\n  \"model\": \"gpt-4o-2024-08-06\",\n  \"messages\": [\n    {\n      \"role\": \"system\",\n      \"content\": \"You are a user interface designer and copy writter. Your job is to help users visualize their website ideas. You design elegant and simple webs, with professional text. You use Tailwind framework\"\n    },\n    {\n      \"role\": \"user\",\n      \"content\": \"{{ $json.query.query }}\"\n    }\n  ],\n  \"response_format\":\n{\n  \"type\": \"json_schema\",\n  \"json_schema\": {\n    \"name\": \"ui\",\n    \"description\": \"Dynamically generated UI\",\n    \"strict\": true,\n    \"schema\": {\n      \"type\": \"object\",\n      \"properties\": {\n        \"type\": {\n          \"type\": \"string\",\n          \"description\": \"The type of the UI component\",\n          \"enum\": [\n  \"div\",\n  \"span\",\n  \"a\",\n  \"p\",\n  \"h1\",\n  \"h2\",\n  \"h3\",\n  \"h4\",\n  \"h5\",\n  \"h6\",\n  \"ul\",\n  \"ol\",\n  \"li\",\n  \"img\",\n  \"button\",\n  \"input\",\n  \"textarea\",\n  \"select\",\n  \"option\",\n  \"label\",\n  \"form\",\n  \"table\",\n  \"thead\",\n  \"tbody\",\n  \"tr\",\n  \"th\",\n  \"td\",\n  \"nav\",\n  \"header\",\n  \"footer\",\n  \"section\",\n  \"article\",\n  \"aside\",\n  \"main\",\n  \"figure\",\n  \"figcaption\",\n  \"blockquote\",\n  \"q\",\n  \"hr\",\n  \"code\",\n  \"pre\",\n  \"iframe\",\n  \"video\",\n  \"audio\",\n  \"canvas\",\n  \"svg\",\n  \"path\",\n  \"circle\",\n  \"rect\",\n  \"line\",\n  \"polyline\",\n  \"polygon\",\n  \"g\",\n  \"use\",\n  \"symbol\"\n]\n        },\n        \"label\": {\n          \"type\": \"string\",\n          \"description\": \"The label of the UI component, used for buttons or form fields\"\n        },\n        \"children\": {\n          \"type\": \"array\",\n          \"description\": \"Nested UI components\",\n          \"items\": {\n            \"$ref\": \"#\"\n          }\n        },\n        \"attributes\": {\n          \"type\": \"array\",\n          \"description\": \"Arbitrary attributes for the UI component, suitable for any element using Tailwind framework\",\n          \"items\": {\n            \"type\": \"object\",\n            \"properties\": {\n              \"name\": {\n                \"type\": \"string\",\n                \"description\": \"The name of the attribute, for example onClick or className\"\n              },\n              \"value\": {\n                \"type\": \"string\",\n                \"description\": \"The value of the attribute using the Tailwind framework classes\"\n              }\n            },\n            \"additionalProperties\": false,\n            \"required\": [\"name\", \"value\"]\n          }\n        }\n      },\n      \"required\": [\"type\", \"label\", \"children\", \"attributes\"],\n      \"additionalProperties\": false\n    }\n  }\n}\n}",
                "sendBody": true,
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                            "name": "Content-Type",
                            "value": "application\/json"
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                },
                "nodeCredentialType": "openAiApi"
            },
            "credentials": {
                "openAiApi": {
                    "id": "WqzqjezKh8VtxdqA",
                    "name": "OpenAi account - Baptiste"
                }
            },
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        {
            "id": "24e5ca73-a3b3-4096-8c66-d84838d89b0c",
            "name": "OpenAI - JSON to HTML",
            "type": "@n8n\/n8n-nodes-langchain.openAi",
            "position": [
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                380
            ],
            "parameters": {
                "modelId": {
                    "__rl": true,
                    "mode": "list",
                    "value": "gpt-4o-mini",
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                "messages": {
                    "values": [
                        {
                            "role": "system",
                            "content": "You convert a JSON to HTML. \nThe JSON output has the following fields:\n- html: the page HTML\n- title: the page title"
                        },
                        {
                            "content": "={{ $json.choices[0].message.content }}"
                        }
                    ]
                },
                "jsonOutput": true
            },
            "credentials": {
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        {
            "id": "c50bdc84-ba59-4f30-acf7-496cee25068d",
            "name": "Format the HTML result",
            "type": "n8n-nodes-base.html",
            "position": [
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            ],
            "parameters": {
                "html": "<!DOCTYPE html>\n\n<html>\n<head>\n  <meta charset=\"UTF-8\" \/>\n    <script src=\"https:\/\/cdn.tailwindcss.com\"><\/script>\n  <title>{{ $json.message.content.title }}<\/title>\n<\/head>\n<body>\n{{ $json.message.content.html }}\n<\/body>\n<\/html>"
            },
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            "id": "193093f4-b1ce-4964-ab10-c3208e343c69",
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            "type": "n8n-nodes-base.stickyNote",
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            "parameters": {
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                "width": 638,
                "height": 503,
                "content": "## Generate HTML from user query\n\n**HTTP Request node**\n- Send the user query to OpenAI, with a defined JSON response format - *using HTTP Request node as it has not yet been implemented in the OpenAI nodes*\n- The response format is inspired by the [Structured Output defined in OpenAI Introduction post](https:\/\/openai.com\/index\/introducing-structured-outputs-in-the-api)\n- The output is a JSON containing HTML components and attributed\n\n\n**OpenAI node**\n- Format the response from the previous node from JSON format to HTML format"
            },
            "typeVersion": 1
        },
        {
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            "name": "Sticky Note1",
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            "parameters": {
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                "width": 768,
                "height": 503,
                "content": "## Workflow: Dynamically generate an HTML page from a user request using OpenAI Structured Output\n\n**Overview**\n- This workflow is a experiment to build HTML pages from a user input using the new Structured Output from OpenAI.\n- The Structured Output could be used in a variety of cases. Essentially, it guarantees the output from the GPT will follow a defined structure (JSON object).\n- It uses Tailwind CSS to make it slightly nicer, but any\n\n**How it works**\n- Once active, go to the production URL and add what you'd like to build as the parameter \"query\"\n- Example: https:\/\/production_url.com?query=a%20signup%20form\n- OpenAI nodes will first output the UI as a JSON then convert it to HTML\n- Finally, the response is integrated in a HTML container and rendered to the user\n\n**Further thoughts**\n- Results are not yet amazing, it is hard to see the direct value of such an experiment\n- But it showcase the potential of the Structured Output. Being able to guarantee the output format is key to build robust AI applications."
            },
            "typeVersion": 1
        },
        {
            "id": "06380781-5189-4d99-9ecd-d8913ce40fd5",
            "name": "Webhook",
            "type": "n8n-nodes-base.webhook",
            "position": [
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            ],
            "webhookId": "d962c916-6369-431a-9d80-af6e6a50fdf5",
            "parameters": {
                "path": "d962c916-6369-431a-9d80-af6e6a50fdf5",
                "options": {
                    "allowedOrigins": "*"
                },
                "responseMode": "responseNode"
            },
            "typeVersion": 2
        }
    ],
    "active": true,
    "pinData": [],
    "settings": {
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    "connections": {
        "Webhook": {
            "main": [
                [
                    {
                        "node": "Open AI - Using Structured Output",
                        "type": "main",
                        "index": 0
                    }
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            ]
        },
        "OpenAI - JSON to HTML": {
            "main": [
                [
                    {
                        "node": "Format the HTML result",
                        "type": "main",
                        "index": 0
                    }
                ]
            ]
        },
        "Format the HTML result": {
            "main": [
                [
                    {
                        "node": "Respond to Webhook",
                        "type": "main",
                        "index": 0
                    }
                ]
            ]
        },
        "Open AI - Using Structured Output": {
            "main": [
                [
                    {
                        "node": "OpenAI - JSON to HTML",
                        "type": "main",
                        "index": 0
                    }
                ]
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        }
    }
}
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