code: def get_package_id(self, name):
          
          json_scheme = self.gen_def_json_scheme('GetPreConfiguredPackages', dict(HypervisorType=4))
          json_obj = self.call_method_post(method='GetPreConfiguredPackages ', json_scheme=json_scheme)
          for package in json_obj['Value']:
              packageId  = package['PackageID']
              for description in package['Descriptions']:
                  languageID = description['LanguageID']
                  packageName = description['Text']
                  if languageID == 2 and packageName.lower() == name.lower():
                      return packageId
docs: Retrieve the smart package id given is English name
          @param (str) name: the Aruba Smart package size name, ie: "small", "medium", "large", "extra large".
          @return: The package id that depends on the Data center and the size choosen.