Updated code

app.py

@@ -11,12 +11,14 @@ from Gradio_UI import GradioUI
 @tool
 def my_custom_tool(arg1:str, arg2:int)-> str: #it's import to specify the return type
     #Keep this format for the description / args / args description but feel free to modify the tool
-    """A tool that does nothing yet 
+    """A tool that searches the web and returns the result using DuckDuckGo
     Args:
-        arg1: the first argument
-        arg2: the second argument
+        arg1: Description - The search query to perform
+        arg2: max_results to be returned
     """
-    return "What magic will you build ?"
+    search_tool = DuckDuckGoSearchTool()
+    
+    return search_tool(arg1, max_results=arg2)
 
 @tool
 def get_current_time_in_timezone(timezone: str) -> str:
@@ -55,7 +57,7 @@ with open("prompts.yaml", 'r') as stream:
     
 agent = CodeAgent(
     model=model,
-    tools=[final_answer], ## add your tools here (don't remove final answer)
+    tools=[final_answer, my_custom_tool, get_current_time_in_timezone], ## add your tools here (don't remove final answer)
     max_steps=6,
     verbosity_level=1,
     grammar=None,