---
title: Built-in Combos
order: 2
---

New feature of V3.5. There are 2 kinds of built-in combos in G6, which can be extended by [configurations](/en/docs/manual/middle/elements/combos/defaultCombo#common-property) and [custom combo mechanism](/en/docs/manual/middle/elements/combos/custom-combo). The following two examples allow users to drag the combo or node to change the hierarchy, and double click to collapse/expand a combo.

## Usage

2 built-in combos and their extensions allow users to select appropriate ones for their scenario.

Please refer to [Built-in Combos](/en/docs/manual/middle/elements/combos/built-in/circle) for more information.
