pageCategories property
The categories associated with a category page.
Must be set for category navigation queries to achieve good search quality. The format should be the same as UserEvent.page_categories; To represent full path of category, use '>' sign to separate different hierarchies. If '>' is part of the category name, replace it with other character(s). Category pages include special pages such as sales or promotions. For instance, a special sale page may have the category hierarchy: "pageCategories" : ["Sales > 2017 Black Friday Deals"].
Implementation
core.List<core.String>? pageCategories;