ant-design/components/collapse/index.en-US.md

category	type	title	cols
Components	Data Display	Collapse	1

A content area which can be collapsed and expanded.

When To Use

• Can be used to group or hide complex regions to keep the page clean.
• Accordion is a special kind of Collapse, which allows only one panel to be expanded at a time.

API

Collapse

Property	Description	Type	Default
activeKey	key of the active panel	string[]|string	No default value. In accordion mode, it's the key of the first panel.
defaultActiveKey	key of the initialized active panel	string	-
onChange	a callback function, which can be executed when you switch the panels	Function	-

Collapse.Panel

Property	Description	Type	Default
key	corresponds to the activeKey	string	-
header	title of the panel	string|ReactNode	-