code: func (r Network_CdnMarketplace_Configuration_Mapping) VerifyCname(cname *string) (resp bool, err error) {
  	params := []interface{}{
  		cname,
  	}
  	err = r.Session.DoRequest("SoftLayer_Network_CdnMarketplace_Configuration_Mapping", "verifyCname", params, &r.Options, &resp)
  	return
  }
docs: // Verifies the CNAME is Unique in the domain. The method will return true if CNAME is unique else returns false