o3de/Registry/application_lifecycle_events.setreg

// The Lifecycle events contains the name of the event as a string
// ComponentApplication derived classes
// will set these these keys to a JSON Object indicate an event has occured
// A callback can be registered with the SettingsRegistry
// to be notified when that key is set
// The JSON object that is set will contain any payload data
// related to the event
{
    "O3DE" : {
        "Application": {
            "LifecycleEvents": {
                "SystemComponentsActivated": {},
                "SystemComponentsDeactivated": {},
                "ReflectionManagerAvailable": {},
                "ReflectionManagerUnavailable": {},
                "SystemAllocatorCreated": {},
                "SystemAllocatorPendingDestruction": {},
                "SettingsRegistryAvailable": {},
                "SettingsRegistryUnavailable": {},
                "ConsoleAvailable": {},
                "ConsoleUnavailable": {},
                "GemsLoaded": {},
                "GemsUnloaded": {},
                "FileIOAvailable": {},
                "FileIOUnavailable": {},
                "LegacySystemInterfaceCreated": {},
                "CriticalAssetsCompiled": {},
                "LegacyCommandLineProcessed": {}
            }
        }
    }
}