Add search_agent sample

Author: AnatoliB

samples-v2/openai_agents/function_app.py

@@ -2,7 +2,8 @@
 import os
 import azure.functions as func
 from openai import AsyncAzureOpenAI
-from agents import Agent, Runner, set_default_openai_client, function_tool
+from agents import Agent, Runner, set_default_openai_client, function_tool, WebSearchTool
+from agents.model_settings import ModelSettings
 from durable_decorators import durable_openai_agent_orchestrator
 from model_activity import create_invoke_model_activity
 from azure.identity import DefaultAzureCredential
@@ -146,7 +147,6 @@ async def get_weather(city: str) -> str:
     return f"Weather in {weather.city}: {weather.temperature_range}, {weather.conditions}"
 
 
-
 @function_tool
 def calculate_circle_area(radius: float) -> float:
     """Calculate the area of a circle given its radius."""
@@ -165,6 +165,29 @@ def math_assistant(context):
     return result.final_output
 
 
+INSTRUCTIONS = (
+    "You are a research assistant. Given a search term, you search the web for that term and "
+    "produce a concise summary of the results. The summary must 2-3 paragraphs and less than 300 "
+    "words. Capture the main points. Write succinctly, no need to have complete sentences or good "
+    "grammar. This will be consumed by someone synthesizing a report, so its vital you capture the "
+    "essence and ignore any fluff. Do not include any additional commentary other than the summary "
+    "itself."
+)
+
+@app.orchestration_trigger(context_name="context")
+@durable_openai_agent_orchestrator
+def search_agent(context):
+    webSearchTool = WebSearchTool()
+    agent = Agent(
+        name="Search agent",
+        instructions=INSTRUCTIONS,
+        tools=[webSearchTool],
+        model_settings=ModelSettings(tool_choice="required"),
+    )
+    result = Runner.run_sync(agent, input="Search term: recursion")
+    return result.final_output
+
+
 #region Implementation details
 
 create_invoke_model_activity(app) # TODO: Can we hide this line?