The key one section type's source, events scope and getShown() entry are filed under.
getShown()
routing.events[sectionSourceKey('lowEmissionZone')] and routing.getShown()[sectionSourceKey('tunnel')] both reach the section named by the type.
routing.events[sectionSourceKey('lowEmissionZone')]
routing.getShown()[sectionSourceKey('tunnel')]
The key one section type's source, events scope and
getShown()entry are filed under.