The extension
Error if a parameter is not correct
JMap.Application.Extension.register({
 id: "MyExtension", // Unique id
 initFn: () => {
   // here you can start your UI component if needed
   console.log("JMap Cloud NG is started and my extension has been successfuly started")
 },
 onPanelCreation: panelContainerId => {
   console.info("Create your component here")
 },
 onPanelDestroy: panelContainerId => {
   console.info("Destroy your component here")
 },
 onRegistrationDone: () => {
   console.info("My extension has been successfully registered")
 }
})
JMap.Application.Extension.register
Registers your own JMap Cloud NG extension.