Update KB with Form Embeddings

The workflow JSON

Copy or download the full n8n JSON below. Paste it into a new n8n workflow, add your credentials, activate. Full import guide →

{
  "name": "Update Bella Vista KB",
  "nodes": [
    {
      "parameters": {
        "formTitle": "Upload documents",
        "formDescription": "Upload documents to the knowledge base. ",
        "formFields": {
          "values": [
            {
              "fieldLabel": "File",
              "fieldType": "file",
              "multipleFiles": false,
              "requiredField": true
            }
          ]
        },
        "options": {}
      },
      "type": "n8n-nodes-base.formTrigger",
      "typeVersion": 2.2,
      "position": [
        0,
        0
      ],
      "id": "e2d1d389-8b1e-4d72-8d39-e4cb7a9efa90",
      "name": "On form submission"
    },
    {
      "parameters": {
        "options": {}
      },
      "type": "@n8n/n8n-nodes-langchain.embeddingsOpenAi",
      "typeVersion": 1.2,
      "position": [
        80,
        224
      ],
      "id": "c51c96da-0c89-4641-a6f5-9a3c931988d9",
      "name": "Embeddings OpenAI",
      "credentials": {
        "openAiApi": {
          "name": "<your credential>"
        }
      }
    },
    {
      "parameters": {
        "dataType": "binary",
        "options": {}
      },
      "type": "@n8n/n8n-nodes-langchain.documentDefaultDataLoader",
      "typeVersion": 1.1,
      "position": [
        352,
        208
      ],
      "id": "1a9b9bfe-6a4e-4651-9485-afed019126f1",
      "name": "Default Data Loader"
    },
    {
      "parameters": {
        "mode": "insert",
        "options": {}
      },
      "type": "@n8n/n8n-nodes-langchain.vectorStorePGVector",
      "typeVersion": 1.3,
      "position": [
        208,
        0
      ],
      "id": "4ce1be89-4a4d-459d-a69b-02fdf73599f9",
      "name": "Postgres PGVector Store",
      "credentials": {
        "postgres": {
          "name": "<your credential>"
        }
      }
    }
  ],
  "connections": {
    "On form submission": {
      "main": [
        [
          {
            "node": "Postgres PGVector Store",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Embeddings OpenAI": {
      "ai_embedding": [
        [
          {
            "node": "Postgres PGVector Store",
            "type": "ai_embedding",
            "index": 0
          }
        ]
      ]
    },
    "Default Data Loader": {
      "ai_document": [
        [
          {
            "node": "Postgres PGVector Store",
            "type": "ai_document",
            "index": 0
          }
        ]
      ]
    }
  },
  "active": false,
  "settings": {
    "executionOrder": "v1"
  },
  "versionId": "8b19b909-c61a-4e60-95ba-9af7026827ad",
  "meta": {
    "templateCredsSetupCompleted": true
  },
  "id": "OUeSSBG1nqrTlle0",
  "tags": []
}

Credentials you'll need

Each integration node will prompt for credentials when you import. We strip credential IDs before publishing — you'll add your own.

• openAiApi
• postgres

About this workflow

Update Bella Vista KB. Uses formTrigger, embeddingsOpenAi, documentDefaultDataLoader, vectorStorePGVector. Event-driven trigger; 4 nodes.

Source: https://github.com/Khuzaima-AI-2112/n8n-automation-templates/blob/master/01_Bussiness-&-Support/05_Customer-support-&-Booking-ai-agent-(Restaurant)/Update+Bella+Vista+KB.json — original creator credit. Request a take-down →

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