Руководство по Function Calling OpenAI

import json
from openai import OpenAI

client = OpenAI(
    api_key="YOUR_API_KEY",
    base_url="https://api.apiyi.com/v1"
)

tools = [{
    "type": "function",
    "function": {
        "name": "get_weather",
        "description": "Get current weather for a city",
        "parameters": {
            "type": "object",
            "properties": {
                "city": {"type": "string", "description": "City name, e.g. Beijing"}
            },
            "required": ["city"],
            "additionalProperties": False
        },
        "strict": True
    }
}]

messages = [{"role": "user", "content": "What's the weather in Beijing?"}]

# 1st request: the model decides to call the function
r1 = client.chat.completions.create(
    model="gpt-5.4", messages=messages, tools=tools
)
tool_call = r1.choices[0].message.tool_calls[0]
args = json.loads(tool_call.function.arguments)

# Execute locally (fake data standing in for a real lookup)
weather = {"city": args["city"], "temp": "26°C", "condition": "sunny"}

# 2nd request: return the result; the model writes the final answer
messages.append(r1.choices[0].message)
messages.append({
    "role": "tool",
    "tool_call_id": tool_call.id,
    "content": json.dumps(weather)
})

r2 = client.chat.completions.create(
    model="gpt-5.4", messages=messages, tools=tools
)
print(r2.choices[0].message.content)

import OpenAI from 'openai';

const openai = new OpenAI({
  apiKey: 'YOUR_API_KEY',
  baseURL: 'https://api.apiyi.com/v1'
});

const tools = [{
  type: 'function',
  function: {
    name: 'get_weather',
    description: 'Get current weather for a city',
    parameters: {
      type: 'object',
      properties: {
        city: { type: 'string', description: 'City name, e.g. Beijing' }
      },
      required: ['city'],
      additionalProperties: false
    },
    strict: true
  }
}];

const messages = [{ role: 'user', content: "What's the weather in Beijing?" }];

const r1 = await openai.chat.completions.create({
  model: 'gpt-5.4', messages, tools
});
const toolCall = r1.choices[0].message.tool_calls[0];
const args = JSON.parse(toolCall.function.arguments);

const weather = { city: args.city, temp: '26°C', condition: 'sunny' };

messages.push(r1.choices[0].message);
messages.push({
  role: 'tool',
  tool_call_id: toolCall.id,
  content: JSON.stringify(weather)
});

const r2 = await openai.chat.completions.create({
  model: 'gpt-5.4', messages, tools
});
console.log(r2.choices[0].message.content);

curl https://api.apiyi.com/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -d '{
    "model": "gpt-5.4",
    "messages": [{"role": "user", "content": "What is the weather in Beijing?"}],
    "tools": [{
      "type": "function",
      "function": {
        "name": "get_weather",
        "description": "Get current weather for a city",
        "parameters": {
          "type": "object",
          "properties": {"city": {"type": "string"}},
          "required": ["city"],
          "additionalProperties": false
        },
        "strict": true
      }
    }]
  }'