Object attributes

accounting token
A binary value (MQBYTE32) of length MQ_ACCOUNTING_TOKEN_LENGTH. The initial value is MQACT_NONE.
correlation id
A binary value (MQBYTE24) of length MQ_CORREL_ID_LENGTH that you assign to correlate messages. The initial value is MQCI_NONE. The additional value, MQCI_NEW_SESSION, is possible.
feedback
Feedback information to be sent with a message. The initial value is MQFB_NONE. The following additional values are possible:

You can also use an application-specific string of your choice. For more information about this, see the Feedback field of the message descriptor (MQMD) in the WebSphere MQ Application Programming Reference.

group id
A binary value (MQBYTE24) of length MQ_GROUP_ID_LENGTH unique within a queue. The initial value is MQGI_NONE.
message id
A binary value (MQBYTE24) of length MQ_MSG_ID_LENGTH unique within a queue. The initial value is MQMI_NONE.