1
Install TruLens and Provider Packages
Run `pip install trulens trulens-providers-openai` to install the core library and OpenAI provider package.
2
Instrument Your Application
Use the `@instrument()` decorator or `TruApp` wrapper to trace your LLM app, defining feedback functions such as groundedness and answer relevance.
3
Set API Keys
Configure environment variables with your LLM provider API keys, for example, `os.environ["OPENAI_API_KEY"] = "your_key_here"`.
4
Run Your Instrumented Application
Execute your app to generate traces and evaluations automatically.
5
Launch the Dashboard
Import and run the dashboard with `from trulens.dashboard import run_dashboard; run_dashboard(session)` to visualize results.