This template may have no transclusions, because it is substituted by a tool or script, it is used as part of a short-term or less active Wikipedia process, or for some other reason.
first parameter or originalpage - Page that needs to be created.
reason - short reason.
details - if present, will add the text This is a complex history split request and a collapsed show/hide box listing the details.
When NOT to use this template
For very complex splits, splits involving more than two pages, or when the use of this template is otherwise inadequate or where its usage would cause problems, list the request in
Wikipedia:Requests for history merge.