UltracartClient::EmailCustomerLookupResponse Properties Name Type Description Notes email String The email that was looked up [optional] error Error [optional] esp_customer_uuid String ESP customer UUID, or null when the email is not on file [optional] metadata ResponseMetadata [optional] success Boolean Indicates if API call was successful [optional] warning Warning [optional] Example require 'ultracart_api' instance = UltracartClient::EmailCustomerLookupResponse.new( email: null, error: null, esp_customer_uuid: null, metadata: null, success: null, warning: null )