---
metadata:
  - name: generator
    content: Diplodoc Platform v5.52.0
alternate:
  - https://ydb.tech/docs/en/yql/reference/builtins.md?version=v25.3
  - https://ydb.tech/docs/ru/yql/reference/builtins.md?version=v25.3
  - href: en/yql/reference/builtins/index.md
    type: text/markdown
    title: Markdown version
  - href: ../../../llms.txt
    type: text/markdown
    title: llms.txt
sourcePath: en/core/yql/reference/builtins/index.md
---
> **Documentation Index:** Fetch the complete configuration index at https://ydb.tech/docs/en/llms.txt

# Built-in YQL functions

- [Basic](https://ydb.tech/docs/en/yql/reference/builtins/basic.md?version=v25.3)
- [Aggregate](https://ydb.tech/docs/en/yql/reference/builtins/aggregation.md?version=v25.3)


- [Window](https://ydb.tech/docs/en/yql/reference/builtins/window.md?version=v25.3)


- [For lists](https://ydb.tech/docs/en/yql/reference/builtins/list.md?version=v25.3)
- [For dictionaries](https://ydb.tech/docs/en/yql/reference/builtins/dict.md?version=v25.3)
- [For structures](https://ydb.tech/docs/en/yql/reference/builtins/struct.md?version=v25.3)
- [For types](https://ydb.tech/docs/en/yql/reference/builtins/types.md?version=v25.3)


- [For code generation](https://ydb.tech/docs/en/yql/reference/builtins/codegen.md?version=v25.3)


- [For JSON](https://ydb.tech/docs/en/yql/reference/builtins/json.md?version=v25.3)
- [C++ libraries](https://ydb.tech/docs/en/yql/reference/udf/list/index.md?version=v25.3)