Template:Collapsible sections option

How to manage this template's collapsible groups/sections option

• This template includes collapsible groups/sections. When it first appears, one of these groups/sections may be set to be visible ("expanded") while the others remain hidden ("collapsed") apart from their titlebars. To achieve this, include the parameter |name where name is one of the following words that identify the groups/sections (omit any speech or quotation marks):
• {{{list}}}

Template documentation[create]

Editors can experiment in this template's sandbox (create | mirror) and testcases (create) pages.
Please add categories to the /doc subpage. Subpages of this template.