Function sectionSourceKey

sectionSourceKey<T extends DrawnSectionType>(type: T): SectionSourceKey<T>
The key the given section type's source, events scope and getShown() entry are filed under.
Type Parameters
- T extends DrawnSectionType
Parameters
- type: T
Returns SectionSourceKey<T>
Example
```
routing.events[sectionSourceKey('lowEmissionZone')].on('click', (section) => { … });
const tunnels = routing.getShown()[sectionSourceKey('tunnel')];
```