# Page Not Found

The URL `api-reference/graphql-data-model/content/filter-by-observations` does not exist.

You might be looking for one of these pages:
- [Filter Content by Entities](https://docs.graphlit.dev/api-guides/use-cases/knowledge-graph/content-filter-by-entities.md)
- [Poll for Completion](https://docs.graphlit.dev/api-guides/use-cases/content/content-is-done-polling.md)
- [Delete](https://docs.graphlit.dev/api-guides/use-cases/content/content-delete.md)
- [Get Content Details](https://docs.graphlit.dev/api-guides/use-cases/content/content-get.md)
- [Ingest Event](https://docs.graphlit.dev/api-guides/use-cases/content/content-ingest-event.md)

## How to find the correct page

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

## Tips for requesting documentation

- For markdown responses, append `.md` to URLs (e.g., `/api-guides/use-cases/knowledge-graph/content-filter-by-entities.md`)
- Use `Accept: text/markdown` header for content negotiation