# Creates a secondary entry with the specified name. Returns errors if name is not valid or conflicts with another domain.
#
# ==== Parameters
# * secondary_name<~String> - secondary name
# * ip_addresses<~Array> - List of secondary ip addresses
#
# ==== Returns
# * response<~Excon::Response>:
# * body<~Hash>:
# * name<~String> Secondary name.
# * ip<~Array> List of strings, IP addresses for your master nameserver associated with this secondary entry. e.g. ["10.10.10.10", "10.10.10.11"]
# * gtdLocation<~String> Global Traffic Director location. Values: DEFAULT, US_EAST, US_WEST, EUROPE
# * status<~Integer> - 201 - secondary entry successfully created or modified, 400 - secondary entry name or IP addresses not valid, see errors in response content