$schema: https://azuremlschemas.azureedge.net/promptflow/latest/Flow.schema.json
inputs:
  chat_history:
    type: list
    default: []
  question:
    type: string
    is_chat_input: true
    default: What is ChatGPT?
outputs:
  answer:
    type: string
    reference: ${chat.output}
    is_chat_output: true
nodes:
- name: node1
  type: python
  inputs:
    chat_history: ${inputs.chat_history}
    question: ${inputs.question}
  source:
    type: code
    path: node1.py
- name: node2
  type: python
  inputs:
    chat_history: ${inputs.chat_history}
    question: ${inputs.question}
  source:
    type: code
    path: node2.py
- name: node3
  type: python
  inputs:
    chat_history: ${inputs.chat_history}
    question: ${inputs.question}
  source:
    type: code
    path: node3.py
- name: chat
  type: python
  inputs:
    node1: ${node1.output}
    node2: ${node2.output}
    node3: ${node3.output}
  source:
    type: code
    path: chat.py
environment:
    python_requirements_txt: requirements.txt