https://gohugo.io/content-management/build-options/
For example…
content/books/_content.gotmpl
{ $content := dict
"mediaType" "text/markdown"
"value" "The _Hunchback of Notre Dame_ was written by Victor Hugo."
}}
{{ $page := dict
"content" $content
"kind" "page"
"path" "the-hunchback-of-notre-dame"
"title" "The Hunchback of Notre Dame"
"build" (dict "render" "never")
}}
{{ .AddPage $page }}