See soorce fer Template:Commons category

{{Commons
| position = {{{position|}}}
  <!-- {{#if:x|}} strips whitespace from parameter 1, 
       in case it is fed like this: {{Commons category| Some cat }}. -->
|1=Category:{{#if:{{{1|}}}
 |{{{1|}}}
 |{{#if:{{#property:P373}}
  |{{#property:P373}}
  |{{PAGENAME}}
 }}
}}
|2={{{2|{{{1|{{PAGENAME}}}}}}}}<!--
-->}}<noinclude>
{{Documentation}}
</noinclude><includeonly>{{#if:{{{1|}}}||{{#if:{{#property:P373}}||{{#switch:{{NAMESPACE}}
|User|User talk=
|#default=[[Category:Commons category template wi na category set|{{#ifeq:{{NAMESPACE}}|||{{Namespace Greek}}}}{{BASEPAGENAME}}]]<!--
-->}}}}}}<!-- Some tracking categories to see if we're ready to switch to Wikidata
-->{{#switch:{{NAMESPACE}}||{{ns:14}}=<!-- Only articles and categories.
-->{{#if:{{#property:P373}}
 | {{#if:{{{1|}}}
  | {{#ifeq:{{#property:P373}}|{{#invoke:StringReplace|encode wiki page name|{{{1|}}}}}
   | <!-- [[Category:Commons category with local link same as on Wikidata]]  – deleted per [[Wikipedia:Categories for discussion/Log/2017 January 25]] -->
   | [[Category:Commons category wi local airtin different than on Wikidata]] <!-- Figure out the best link -->
   }}
  | {{#ifeq:{{#property:P373}}|{{PAGENAME}}
   | <!-- [[Category:Commons category with page title same as on Wikidata]]  – deleted per [[Wikipedia:Categories for discussion/Log/2017 January 25]] -->
   | [[Category:Commons category wi page teetle different than on Wikidata]] <!-- Figure out the best link here too -->
   }}
  }}
 | [[Category:Commons category withoot an airtin on Wikidata]] <!-- These we still need to import -->
 }}
}}</includeonly>
<noinclude>
[[Category:Interwiki link templates]]
</noinclude>