= collective.portlet.shelf = collective.portlet.shelf is a portlet for Plone 4 that allows to display Collection's results in a carousel portlet browsing by subcollections. How to get a carousel? Work of carousel is based on one assumption — you already have a collection that returns results for showing in the carousel. To add shelf portlet: * On a page where you want to add a carousel click '''Manage portlets''' in one of the columns of your site; * choose '''collective.portlet.shelf''' from '''Add portlet...''' menu; * collective.portlet.shelf portlet is based on the standard collection portlet in Plone, so the same fields are available for this type of portlet; * fill out the fields in the form specifying a collection that will provide content for the carousel portlet.