code: def MarkDirty(self):
  		
  		if ((UcsUtils.FindClassIdInMoMetaIgnoreCase(self.classId) == None) and (not self.IsDirty())):
  			self.dirtyMask = ManagedObject.DUMMYDIRTY
  		else:
  			self.dirtyMask = self.propMoMeta.mask
docs: This method marks the managed object dirty.