# Page Not Found

The URL `concepts/data-pipeline/filter` does not exist.

You might be looking for one of these pages:
- [Filter](https://docs.fluentbit.io/manual/1.1/getting_started/filter.md)
- [Filter Plugins](https://docs.fluentbit.io/manual/1.1/filter.md)
- [Configuration File](https://docs.fluentbit.io/manual/1.1/configuration/file.md)
- [File](https://docs.fluentbit.io/manual/1.1/output/file.md)
- [Counter](https://docs.fluentbit.io/manual/1.1/output/counter.md)

## How to find the correct page

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

## Tips for requesting documentation

- For markdown responses, append `.md` to URLs (e.g., `/manual/1.1/getting_started/filter.md`)
- Use `Accept: text/markdown` header for content negotiation