String Identifier representing the product. When using ACH Module, the product key must be ACH.

String Type of the message. When using ACH Module, the message type must be one of the SEC codes listed in Standard Entry Class Codes. Used to create the index.

String Version of the message. Used to create the index. 1.0 is the only valid value.

String Origin of the message. Used to create the index.

String Destination of the message. Used to create the index.

IData Additional key/value pairs used to create the index. These pairs are later used to narrow down search results through the query service.

String Message to be stored.

String Unique key used to identify the stored message.