An expression based on the usage environment of a Link typically including predicates that test the current user's membership in a group or possession of a user role that when evaluated truthfully enables an applicable value for a Link property. For example, User_* indicates that the link property setting applies to all users while User.name = joe indicates the rule applies only to a specific user named joe.
The default label to use for this Link in the context of the selection Analytics Application's ODAG navigation menu.