# Page Not Found

The URL `ref/mdb/status-variables/Feature_custom_aggregate_functions` does not exist.

You might be looking for one of these pages:
- [Stored Aggregate Functions](https://mariadb.com/docs/server/server-usage/stored-routines/stored-functions/stored-aggregate-functions.md)
- [Aggregate Functions](https://mariadb.com/docs/server/reference/sql-functions/aggregate-functions.md)
- [Sys Schema Stored Functions](https://mariadb.com/docs/server/reference/system-tables/sys-schema/sys-schema-stored-functions.md)
- [SEQUENCE Functions](https://mariadb.com/docs/server/reference/sql-structure/sequences/sequence-functions.md)
- [Miscellaneous GIS functions](https://mariadb.com/docs/server/reference/sql-statements/geometry-constructors/miscellaneous-gis-functions.md)

## How to find the correct page

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

## Tips for requesting documentation

- For markdown responses, append `.md` to URLs (e.g., `/docs/server/server-usage/stored-routines/stored-functions/stored-aggregate-functions.md`)
- Use `Accept: text/markdown` header for content negotiation