This action displays the contents of the specified tab of the main frame of the specified visual perspective on the screen.
DISPLAY LAYOUT (Id() | StringLiteral()) FROM_VP (Id() | StringLiteral())
where the first pair of Id() or StringLiteral() is the name of the tab in the main frame to be displayed and the second pair is the name of the visual perspective.
DISPLAY Layout 'My tab' FROM_VP 'My perspective'