Whether a tour applies to the data of the graph node in the main content area; undefined is the app itself. A matcher must reject undefined unless its tour is the app's introduction, and must not throw: matchers run unguarded.
undefined
Optional
Whether a tour applies to the data of the graph node in the main content area;
undefinedis the app itself. A matcher must rejectundefinedunless its tour is the app's introduction, and must not throw: matchers run unguarded.