# PII in prompts will be automatically anonymized in traces
response = client.chat.completions.create(
    model="gpt-3.5-turbo",
    messages=[{
        "role": "user",
        "content": "Help me draft an email to john.doe@company.com about his phone number 555-123-4567"
    }]
)
```

### LangChain Integration

```python
import opik
import opik.hooks
from opik.anonymizer import create_anonymizer
from opik.integrations.langchain import OpikTracer
from langchain_openai import ChatOpenAI
from langchain.schema import HumanMessage