View source for Template:Extension/Sample

<!--- 
 **************************************************************
 Usage instructions:
 1. REMOVE THE TAG line above this box
    IT WILL PREVENT PROPER DISPLAY OF THE INFOBOX.

 2. Fill in the template. For help, see [[Template:Extension]].
 3. Remove any HTML comments from the infobox after you are finished.
 4. Remove this comment when you no longer need it.
 **************************************************************
--->

{{Extension|templatemode =
|name            = 
|status          = beta
|type1           = <!-- implementation type, see [[Template:Extension]] for details -->
|type2           = 
|hook1           = <!-- default / custom hooks used, see [[Template:Extension]] for details -->
|hook2           = 
|username        = <!-- optional, but strongly recommended -->
|author          = <!-- add only if different from user name -->
|description     = <!-- brief description of purpose / use case -->
|image           = 
|imagesize       = 
|version         = 
|update          = 
|mediawiki       = 
|php             =
|needs-updatephp =
|schema-registry =
|license         = <!-- what license your extension is released under -->
|download        = {{WikimediaDownload|server=gerrit}} <!-- Change if not on gerrit -->
|readme          = 
|changelog       = 
|parameters      = <!-- configuration parameters, for use in LocalSettings.php -->
|tags            = 
|rights          = <!-- user rights, for use with $wgGroupPermissions -->
|example         = 
|compatibility   = 
|bugzilla        =
}}

The '''<includeonly>{{subst:SUBPAGENAME}}</includeonly><noinclude>MyExtension</noinclude>''' extension does foo.

==Installation==
{{ExtensionInstall}}

==Configuration parameters==
<!--
 Explain the purpose of each configuration parameter provided to Template:Extension.
;$wgMyExtensionFoo: Some description.
;$wgMyExtensionBar: Some description.

-->

==User rights==
<!--
 Explain the meaning of each user right provided to Template:Extension.
-->

==See also==
<!-- Add other related extensions here, if applicable. If not, just delete this comment and the “See also” header. -->
<noinclude>{{Language}}</noinclude>