siteparam shortcode is used to help you print values of site params.
For instance, in this current site, the editURL variable is used in config.toml
[params]
editURL = "https://github.com/matcornic/hugo-theme-learn/edit/master/exampleSite/content/"
Use the siteparam shortcode to display its value.
`editURL` Value : {{% siteparam "editURL" %}}
is displayed as
editURL Value : https://github.com/matcornic/hugo-theme-learn/edit/master/exampleSite/content/