Displays a panel that can be collapsed or expanded by users. The panel contains a web part zone, so any type of content may be added.
To insert content into the panel, edit the document where it is placed on the Design
tab of CMS Desk
. Here you can expand the panel and add any web parts that you need into the zone.
Help URL: http://devnet.kentico.com/docs/webparts/index.html?CollapsiblePanel_overview.htm