Board Thread:Support Requests - Getting Technical/@comment-25969666-20170522155250/@comment-9605025-20170522162341

You copied the usage markup, not the template markup. The usage markup is what you use on other pages to use the template. The template markup is what you put on the template page so that MediaWiki knows what to do when you use the template.

I suggest you view How_to_copy_templates_to_your_wiki.