This event is triggered after a user registers his own JMap NG App extension.
The extension id is received as a param property of the event.
example
// Triggered when a user register a new extension
JMap.Application.Event.Extension.on.registration("my-extension-listener", params => {
const extensionId = params.extensionId
console.info(`The following extension has been registered by the current user: "${extensionId}".`)
})
JMap.Application.Event.Extension.on
Here you have all JMap NG App available extension events on which you can attach a listener.