Frontend On Menu Item Click Frontend Coordination Rule
A rule that responds to system UI menu items being clicked by opening TaskPanels or by cleaning up the stack of existing ones. Depending on the state and behaviour of available Frontends, this rule behaves in the following manner:
Note that this rule does not close other Frontends' TaskPanels after calling Frontend.openTaskPanels. Enforcing only a single active TaskPanel stack can be independently configured, for example through SingleTaskPanelStackFrontendCoordinationRule.