Google Gemini

import traceroot
from traceroot import Integration

traceroot.initialize(integrations=[Integration.GOOGLE_GENAI])

import os
from google import genai
from google.genai import types

client = genai.Client(api_key=os.environ["GEMINI_API_KEY"])

weather_tool = types.Tool(function_declarations=[
    types.FunctionDeclaration(
        name="get_weather",
        description="Get current weather for a city",
        parameters=types.Schema(
            type="OBJECT",
            properties={"city": types.Schema(type="STRING", description="City name")},
            required=["city"],
        ),
    )
])

# This call is automatically traced
response = client.models.generate_content(
    model="gemini-3.8-flash",
    contents="What's the weather in Tokyo?",
    config=types.GenerateContentConfig(tools=[weather_tool]),
)

# The model asks to call get_weather; run it and send the result back yourself
print(response.function_calls)