# How-to Guides

Task-oriented guides for solving specific real-world problems. Each guide focuses on answering "How do I...?"

## Input and Extraction

- **[Use Images and PDFs](use-multimodal-inputs.md)** — Extract from images and PDF files
- **[Optimize Nested Models](optimize-nested-models.md)** — Work with complex, nested Pydantic schemas
- **[Include or Exclude Fields](include-exclude-fields.md)** — Control which fields are optimized

## Evaluation and Configuration

- **[Configure Evaluators](configure-evaluators.md)** — Set up and customize evaluation metrics
- **[Build a Custom Evaluator](build-custom-evaluators.md)** — Create domain-specific evaluation logic
- **[Configure Optimization Parameters](configure-optimizations.md)** — Fine-tune optimization behavior

## Production Deployment

- **[Save and Load a Prompter](save-and-load.md)** — Persist optimized prompters for production
- **[Deploy to Production](deploy-to-production.md)** — Docker, FastAPI, AWS Lambda patterns
- **[Integrate with Applications](integrate-with-applications.md)** — Real-world integration patterns

## Finding What You Need

- **First time here?** → Start with [Tutorials](../tutorials/index.md)
- **Want to understand concepts?** → See [Explanation](../explanation/index.md)
- **Need API reference?** → Browse [Reference](../reference/index.md)
