---
title: "Book Tracker: Using Evaluations to evaluate an intelligent feature"
framework: evaluations
role: sampleCode
role_heading: Sample Code
path: evaluations/book-tracker-using-evaluations-to-evaluate-an-intelligent-feature
---

# Book Tracker: Using Evaluations to evaluate an intelligent feature

Measure and improve the quality of your app’s intelligence-powered features using the Evaluations framework.

## Overview

Overview note: This sample code project is associated with WWDC26 session 298: Meet the Evaluations framework, session 335 Improve your prompts by hill-climbing with Evaluations, and session 299 Create robust evaluations for agentic apps. Configure the sample code project Before you run the sample code project: Open the sample with the latest version of Xcode. Set the developer team for the project target to let Xcode automatically manage the provisioning profile. For more information, see Set the bundle ID and Assign the project to a team. Run the sample on a device or simulator that supports Apple Intelligence and the Foundation Models framework.

## See Also

### Essentials

- [Evaluating language model responses](evaluations/evaluating-language-model-responses.md)
- [Designing effective evaluations](evaluations/designing-effective-evaluations.md)
- [Evaluation](evaluations/evaluation.md)