hugo/docs/content/en/methods/page/IsSection.md

title	description	categories	keywords	params
IsSection	Reports whether the given page is a section page.			functions_and_methods returnType signatures bool PAGE.IsSection

The IsSection method on a Page object returns true if the page kind is section.

content/
├── books/
│   ├── book-1/
│   │   └── index.md  <-- kind = page
│   ├── book-2.md     <-- kind = page
│   └── _index.md     <-- kind = section
└── _index.md         <-- kind = home

{{ .IsSection }}