$pagePicker->parent()
Returns the parent model. The model will be used to fetch subpages unless there's a specific query to find pages instead.
$pagePicker->parent(): Kirby\Cms\Page|Kirby\Cms\Site
Return types
Kirby\Cms\Page
orKirby\Cms\Site
This method modifies the existing $pagepicker
object it is applied to and returns it again.