# Page Not Found

The URL `building/modalities` does not exist.

You might be looking for one of these pages:
- [Modalities](https://docs.nlx.ai/platform/nlx-platform-guide/flows-and-building-blocks/modalities.md)
- [Analytics](https://docs.nlx.ai/platform/nlx-platform-guide/monitoring/analytics.md)
- [Overview](https://docs.nlx.ai/platform/nlx-platform-guide/flows-and-building-blocks/overview.md)
- [Knowledge bases](https://docs.nlx.ai/platform/nlx-platform-guide/flows-and-building-blocks/knowledge-bases.md)
- [Nodes](https://docs.nlx.ai/platform/nlx-platform-guide/flows-and-building-blocks/overview/nodes.md)

## How to find the correct page

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

## Tips for requesting documentation

- For markdown responses, append `.md` to URLs (e.g., `/platform/nlx-platform-guide/flows-and-building-blocks/modalities.md`)
- Use `Accept: text/markdown` header for content negotiation