code: func (r Network_Storage_MassDataMigration_CrossRegion_Country_Xref) GetValidCountriesForRegion(locationGroupName *string) (resp []datatypes.Network_Storage_MassDataMigration_CrossRegion_Country_Xref, err error) {
  	params := []interface{}{
  		locationGroupName,
  	}
  	err = r.Session.DoRequest("SoftLayer_Network_Storage_MassDataMigration_CrossRegion_Country_Xref", "getValidCountriesForRegion", params, &r.Options, &resp)
  	return
  }
docs: // Returns countries assigned to the region having pricing info set.