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What is a global filter

A filter that is stored in the session and keeps influencing the domain model until it is removed
How exactly a global filter influences a domain model depends on the peanuts themselves. In other words, the default domain model behaviors supplied by the framework ignore global filters; the implementation is entirely up to the application developer.

Because the same peanuts in the same user interfaces may behave differently depending on the global filter, it is shown by default by all default pages.

Global filters are stored in- and retrieved from the session by the Site object. Setting and removing them from the user interface requires a special dialog that knows what global filters are possible.

For an example of the use of a global filter and a dialog for setting them, see example 9.