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This documentation is transcluded from Template:Ifsubst/doc.

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Template parameters

<templatedata>JSON</templatedata> ./. {{TemplateBox}}

TemplateData is a way to store information about template parameters (the description of those and of the whole template) for both humans and machines. It is used by VisualEditor and possibly other tools like Upload Wizard.

Existing template documentation
At Wikimedia Commons, it is recommended to use {{TemplateBox}} with either ‎useTemplateData=1 or ‎useTemplateData=only on the ‎/doc subpage and transcluding it with {{Documentation}} into the template. ‎<nowiki>-tags can be wrapped around the arguments, if required, to avoid templates being expanded.

Newly created template documentation and imports
Another option, especially for imported templates, or for users with JSON experience, is placing raw ‎<templatedata>-tags into the Wikitext of the template, as described in various Wikipediae.

There is an ongoing discussion about that matter. Feel invited to comment if you are experienced in either way, your time permits and if you like to share your opinion or to make a suggestion.

Wikipedia's help about TemplateDataCommons-specific information

Meta-template that shows different results when substituted or transcluded.

Template parameters


The result when this template is substituted.


The result when this template is not substituted.

Auto value
{{error:must be substituted|{{subst:#switch:{{subst:NAMESPACE}}|{{subst:ns:10}}=|{{subst:ns:0}}=:|#default={{subst:NAMESPACE}}:}}{{subst:PAGENAME}}}}

Whether to show the substituted result regardless of whether the template was actually substituted. Set to “no” to always show the transcluded result.

Auto value
Edit parameter translations

Additional information

The template is intended to be used in the following namespaces: the Template namespace

The template is intended to be used by the following user groups: all users

Relies on:

  • {{#ifeq:...}}


This template is not intended to be localized.