Periscope supports navigation between contexts by using the Navigation Bar (pictured below). The navigation tree is defined in Settings and maps to a Niagara Hierarchy. Navigation trees can be different per user and can be simple (such as just viewing sites) or as complex as needed. Periscope automatically installs and defaults to a hierarchy called "Periscope_Site" which consists of every haystack site defined and accessible by the current user in your database.
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