Board Thread:Support Requests - Getting Technical/@comment-28283310-20200423102842/@comment-9605025-20200423180819

If your wiki is not UCP...

It sounds like you may want to consider using preload templates. You could additionally consider adding PreloadTemplates which would allow you to use preload templates from within source editor.

Another option would be changing MediaWiki:Createpage-with-video which is what gets preloaded when you create a page using the "standard layout".

Even if your wiki is UCP...

I believe you could still use the  (or  ) transclusion modifier. This would need to be done via source mode. Here is an example.

Template:Standard Headers

Header 2.2
Page

to create the page:

on next edit, pre-existing page content should be: