LangChain - Example - Workflow Retriever

Q&A on data returned from a workflow

Integrations Used (3)

Retrieverworkflow

Chainretrievalqa

Lmchatopenai

Workflow Structure (5 nodes)

100%

Manual Trigger

When clicking "Execute Workflow"

Set

Example Prompt

Langchain.chain Retrieval Qa

Retrieval QA Chain2

Langchain.lm Chat Open Ai

OpenAI Chat Model

Langchain.retriever Workflow

Workflow Retriever

Node Types:

trigger

default

transform

Requires credentials

Prerequisites

Required Credentials (1)

OpenAI

Used by: OpenAI Chat Model

Docs

Complexity

Moderate

Some experience helpful. Multiple integrations or logic.

Setup time: ~20 min

Score: 17/100

When to Use This Workflow

AI-Powered Content Creation

Automate content generation, summarization, or analysis using AI capabilities.

Save hours of manual work while maintaining quality and consistency.

Real-time Response

React instantly when events happen - new orders, form submissions, or API calls.

Zero delay between trigger and action for time-sensitive workflows.

Error Reduction

Eliminate human error from routine processes with consistent automation.

Improve accuracy and reliability across your workflows.

workflow.json

{
  "id": "mjCQV12PbF6fw8hR",
  "meta": {
    "instanceId": "021d3c82ba2d3bc090cbf4fc81c9312668bcc34297e022bb3438c5c88a43a5ff"
  },
  "name": "LangChain - Example - Workflow Retriever",
  "tags": [
    {
      "id": "snf16n0p2UrGP838",
      "name": "LangChain - Example",
      "createdAt": "2023-09-25T16:21:55.962Z",
      "updatedAt": "2023-09-25T16:21:55.962Z"
    }
  ],
  "nodes": [
    {
      "id": "efdc3050-6c68-4419-9f12-f37d6fefb276",
      "name": "When clicking \"Execute Workflow\"",
      "type": "n8n-nodes-base.manualTrigger",
      "position": [
...