Backend¶ The following list contains PSR-14 events in EXT:backend. Contents: AfterFormEnginePageInitializedEvent AfterHistoryRollbackFinishedEvent AfterPageColumnsSelectedForLocalizationEvent BeforeFormEnginePageInitializedEvent BeforeHistoryRollbackStartEvent ModifyClearCacheActionsEvent ModifyPageLayoutOnLoginProviderSelectionEvent SwitchUserEvent SystemInformationToolbarCollectorEvent