Bot initial message

app.py

@@ -66,13 +66,17 @@ You can also answer questions based on the information provided by the user.
         return [
             {"role": "assistant", "content": bot_welcome_message}
         ]
+    
+    def clear_and_load():
+        # Return the welcome message
+        return [{"role": "assistant", "content": bot_welcome_message}], None
         
     def add_message(history, message):
         for x in message["files"]:
             history.append({"role": "user", "content": {"path": x}})
         if message["text"] is not None:
             history.append({"role": "user", "content": message["text"]})
-        return history, gr.MultimodalTextbox(value=None, interactive=False)
+        return history, gr.MultimodalTextbox(value=None, interactive=False, file_count="multiple", placeholder="Enter message or upload file...")
     
     def respond(history):
         # print("history", history)
@@ -139,8 +143,12 @@ You can also answer questions based on the information provided by the user.
     
 
     ##########################################################################
-    clear = gr.ClearButton([chat_input, chatbot])
-    clear.then(load_welcome, None, chatbot)
+    clear = gr.Button("Refresh Chat")
+    clear.click(
+        clear_and_load,
+        inputs=None,
+        outputs=[chatbot, chat_input]
+    )
     demo.load(load_welcome, None, chatbot, api_name="load_welcome")
     chat_msg = chat_input.submit(
         add_message, [chatbot, chat_input], [chatbot, chat_input]