app.py

import gradio as gr

def echo(message, history, new_param):
    # Use the new_param in your function logic
    history.append(new_param)
    history.append(message)
    return history

new_param_input = gr.Textbox(label="New Parameter")

demo = gr.ChatInterface(fn=echo, title="Echo Bot", additional_inputs=new_param_input)
demo.launch()