The user name of the client who calls the service operation. Will be used for authentication. The user name will be provided by MondialRelay. The password of the client who calls the service operation. Will be used for authentication. The password will be provided by MondialRelay. The Customer Id of the client who calls the service operation. Will be used for authentication. The customerId will be provided by MondialRelay. The culture that will be used to process the request and produce the output expected format : en-US The reference of the API version. The printer model that will receive the ZPL code. Bellow the model list of compatible printers: