Hidden content
This template has three parameters:
Header= Sets the header, otherwise it defaults to "Hidden content"
Text= Sets the text, there is no default content, this can also be achieved with an unnamed parameter
Width= Overrides the default width of 800px it should be entered as a number only.
An example of this template being called is
{{Spoiler|Header=This is an example|Text=Lorem ipsum dolor sit amet, consectetur adipiscing elit. Vestibulum pellentesque sapien eros. Suspendisse potenti. Vivamus ut nunc sed nulla scelerisque varius. Aenean porta laoreet pretium. Fusce dapibus fringilla interdum.}}
This gives the following:
This is an example
The exact same occurs if it is called like this, with an unnamed parameter for the text:
{{Spoiler|Header=This is an example|Lorem ipsum dolor sit amet, consectetur adipiscing elit. Vestibulum pellentesque sapien eros. Suspendisse potenti. Vivamus ut nunc sed nulla scelerisque varius. Aenean porta laoreet pretium. Fusce dapibus fringilla interdum.}}
Which gives:
This is an example