---
title: "KeypointId"
---
<!-- DO NOT EDIT! This file was auto-generated by crates/build/re_types_builder/src/codegen/docs/website.rs -->

A 16-bit ID representing a type of semantic keypoint within a class.

## Rerun datatype
[`KeypointId`](../datatypes/keypoint_id.md)


## Arrow datatype
```
UInt16
```

## API reference links
 * 🌊 [C++ API docs for `KeypointId`](https://ref.rerun.io/docs/cpp/stable/structrerun_1_1components_1_1KeypointId.html)
 * 🐍 [Python API docs for `KeypointId`](https://ref.rerun.io/docs/python/stable/common/components#rerun.components.KeypointId)
 * 🦀 [Rust API docs for `KeypointId`](https://docs.rs/rerun/latest/rerun/components/struct.KeypointId.html)


## Used by

* [`Points2D`](../archetypes/points2d.md)
* [`Points3D`](../archetypes/points3d.md)
