---
title: "TreeKind"
sidebar_label: "TreeKind"
description: "The clika_runtime.pytree TreeKind class."
---

<!-- Generated by tools/api_reference/generate_api_docs.py. Do not edit. -->

The node kinds a :class:`~clika_runtime.pytree.TreeSpec` distinguishes.

    ``CUSTOM`` is every type registered through :func:`register_pytree_node`;
    the others are the built-in node types. ``LEAF`` marks a value the tree
    does not open.
    
