Update 43_Building_a_Tool_Calling_Agent.ipynb

Use outputs_to_string

Author: sjrl

tutorials/43_Building_a_Tool_Calling_Agent.ipynb

@@ -269,7 +269,10 @@
     "    output_mapping={\"output_adapter.output\": \"search_result\"}\n",
     ")\n",
     "search_tool = ComponentTool(\n",
-    "    name=\"search\", description=\"Use this tool to search for information on the internet.\", component=search_component\n",
+    "    name=\"search\",\n",
+    "    description=\"Use this tool to search for information on the internet.\",\n",
+    "    component=search_component,\n",
+    "    outputs_to_string={\"source\": \"search_result\"}\n",
     ")\n",
     "\n",
     "agent = Agent(\n",