hugo/docs/content/variables/sitemap.md

title, linktitle, description, date, publishdate, lastmod, categories, draft, menu, weight, sections_weight, aliases, toc

title	linktitle	description	date	publishdate	lastmod	categories	draft	menu	weight	sections_weight	aliases	toc
Sitemap Variables	Sitemap Variables		2017-03-12	2017-03-12	2017-03-12	variables and params	false	docs parent weight variables 80	80	80		false

A sitemap is a Page and therefore has all the page variables available to use sitemap templates. They also have the following sitemap-specific variables available to them:

.Sitemap.ChangeFreq

the page change frequency

.Sitemap.Priority

the priority of the page

.Sitemap.Filename

the sitemap filename