Update app.py

app.py

@@ -76,7 +76,13 @@ with gr.Blocks() as demo:
             yield history
 
     # Event handlers
-    textbox.submit(add_user_message, [textbox, chatbot], [textbox, chatbot]).then(
+    submit_event = textbox.submit(add_user_message, [textbox, chatbot], [textbox, chatbot]).then(
+        bot_response, chatbot, chatbot
+    )
+
+    # Add a "Send" button
+    send_button = gr.Button("🚀 Send")
+    send_event = send_button.click(add_user_message, [textbox, chatbot], [textbox, chatbot]).then(
         bot_response, chatbot, chatbot
     )