evnot.RLock()
	targetIDSet := evnot.bucketRulesMap[args.BucketName].Match(args.EventName, args.Object.Name)
	evnot.RUnlock()

	if len(targetIDSet) == 0 {
		return
	}

	// If MINIO_API_SYNC_EVENTS is set, send events synchronously.
	evnot.targetList.Send(args.ToEvent(true), targetIDSet, globalAPIConfig.isSyncEventsEnabled())
}

type eventArgs struct {
	EventName    event.Name
	BucketName   string

	EnvAPIGzipObjects                 = "MINIO_API_GZIP_OBJECTS"
	EnvAPIRootAccess                  = "MINIO_API_ROOT_ACCESS" // default config.EnableOn
	EnvAPISyncEvents                  = "MINIO_API_SYNC_EVENTS" // default "off"
	EnvAPIObjectMaxVersions           = "MINIO_API_OBJECT_MAX_VERSIONS"
	EnvAPIObjectMaxVersionsLegacy     = "_MINIO_OBJECT_MAX_VERSIONS"
)

// Deprecated key and ENVs
const (

MINIO_API_ROOT_ACCESS                     (boolean)   turn 'off' root credential access for all API calls including s3, admin operations (default: 'on')
MINIO_API_SYNC_EVENTS                     (boolean)   set to enable synchronous bucket notifications (default: 'off')
MINIO_API_OBJECT_MAX_VERSIONS             (number)    set max allowed number of versions per object (default: '9223372036854775807')