Library (SDK)APIPortalscript APIModulesou.sp.OtrUpgradeWrapperFunctionssetAttributeSafelyAuf dieser SeitesetAttributeSafely setAttributeSafely(obj, key, oldValue, newValue, onSuccess, onError): void Parameters obj setAttribute (key, value) => unknown getAttribute (key) => string key string oldValue string newValue string onSuccess (message) => void onError (message) => void Returns void