Readonlyconsumable: booleanValid ONLY while the handler runs (freed on the way out). Null for map.idle.
Shorthand for payload.get(path). Throws when the event carries no payload.
Optionalprojection: ProjectionNameOptionalprojection: ProjectionName
Set true to hide the event from later subscribers and the map. Only consumable events (
vectortile.clicked,vectorelement.clicked,celestial.clicked,sky.clicked); elsewhere ignored, warned once.