Opaque action identifier from the button config.
Layer the feature belongs to.
Feature/POI identifier (null when the source has no stable id).
Whitelisted subset of feature properties (per payloadFields).
OptionallngGeographic position of the popup, when available.
Detail payload for
geoleaf:popup:action.Dispatched (fire-and-forget) when a user clicks a popup action button (
type: "action"inpopup.fields). Listen viaGeoLeaf.events.on("geoleaf:popup:action", …).