+PKG_CHANGE_TYPE = enum(OP_STATE_CHANGE="OP_STATE_CHANGE", PKG_DELETE="PKG_DELETE")
+
+PKG_NOTIFICATION_TYPE = enum(ONBOARDING="VnfPackageOnboardingNotification",
+ CHANGE="VnfPackageChangeNotification")
+
+NSD_NOTIFICATION_TYPE = enum(NSD_ONBOARDING="NsdOnBoardingNotification",
+ NSD_ONBOARDING_FAILURE="NsdOnboardingFailureNotification",
+ NSD_CHANGE="NsdChangeNotification",
+ NSD_DELETION="NsdDeletionNotification",
+ PNFD_ONBOARDING="PnfdOnBoardingNotification",
+ PNFD_ONBOARDING_FAILURE="PnfdOnBoardingFailureNotification",
+ PNFD_DELETION="PnfdDeletionNotification")
+
+PKG_URL_PREFIX = "api/vnfpkgm/v1"
+
+NSD_URL_PREFIX = "api/nsd/v1"