Only a component type will have this property and it should be set to view.
Optional componentOnly a component type will have this property and it represents the view options of a given component.
Optional contentArray of configurations for items that will be created as children of this item.
Optional heightOptional idOptional isOptional titleThe type of the item. Possible values are 'row', 'column', 'stack', and 'component'.
Optional width
Represents the arrangement of Views within a Platform window's Layout. We do not recommend trying to build Layouts or LayoutItems by hand and instead use calls such as getSnapshot.