Creates a box with a collapsible segment.

|header=<header title>
|<text outside collapsible area>
|<text within collapsible area>



Sets the box width to a percentage of the site width. Defaults to 85%.


When set, creates a level 3 header within the box, but outside the collapsible segment.


Starts in the expanded state when set to false. Defaults to the collapsed state when not set or set to any other value, including true.

unnamed parameter 1

Holds text outside the collapsible segment, this text will be visible in both expanded and collapsed states

unnamed parameter 2

holds the text within the collapsible segment. This text will be hidden when the segment is collapsed. Headers in this segment will not work from the Table of Contents when the section is collapsed.

Premium Membership
Upgrade to premium membership and take advantage of all the premium benefits, including complete ad removal across the entire website, for less than $1 per month! Upgrade