# Page Not Found

The URL `docs/api/add-custom-data-for-entity` does not exist.

You might be looking for one of these pages:
- [Adding custom data](https://docs.cortex.io/ingesting-data-into-cortex/entities/custom-data.md)
- [Adding entities](https://docs.cortex.io/ingesting-data-into-cortex/entities/adding-entities.md)
- [Incident Core Types: incident.io (Private Beta)](https://docs.cortex.io/resources/beta/incident-core-types-incident.io-private-beta.md)
- [Custom Metrics](https://docs.cortex.io/improve/eng-intelligence/custom-metrics.md)
- [Archiving entities](https://docs.cortex.io/ingesting-data-into-cortex/entities/archiving-entities.md)

## How to find the correct page

1. **Browse the full index**: [/sitemap.md](https://docs.cortex.io/sitemap.md) - Complete documentation index
2. **View the full content**: [/llms-full.txt](https://docs.cortex.io/llms-full.txt) - Full content export

## Tips for requesting documentation

- For markdown responses, append `.md` to URLs (e.g., `/ingesting-data-into-cortex/entities/custom-data.md`)
- Use `Accept: text/markdown` header for content negotiation