> For the complete documentation index, see [llms.txt](https://kinemation.gitbook.io/scriptable-animation-system/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://kinemation.gitbook.io/scriptable-animation-system/fundamentals/animator-layers/ik-layer.md).

# IK Layer

## Description

This layer applies Two Bone IK algorithm based on the specified bones. The layer utilizes Unity Jobs system for a faster IK evaluation.

This layer is supposed to be the last one in the profile.

## Properties

<figure><img src="/files/wQDo9BflMKn2kMT0z22U" alt="" width="380"><figcaption></figcaption></figure>

IK postfix means the target object for the bone.

Hint postfix means the pole target, or the in-between bone, like knee or lowerarm/elbow.