message descriptor structure" /> MQMD - Message descriptor

 

MQMD - Message descriptor

 

The following table summarizes the fields in the structure.

Table 21. Fields in MQMD
Field Description Topic
MDSID Structure identifier MDSID
MDVER Structure version number MDVER
MDREP Options for report messages MDREP
MDMT Message type MDMT
MDEXP Message lifetime MDEXP
MDFB Feedback or reason code MDFB
MDENC Numeric encoding of message data MDENC
MDCSI Character set identifier of message data MDCSI
MDFMT Format name of message data MDFMT
MDPRI Message priority MDPRI
MDPER Message persistence MDPER
MDMID Message identifier MDMID
MDCID Correlation identifier MDCID
MDBOC Backout counter MDBOC
MDRQ Name of reply queue MDRQ
MDRM Name of reply queue manager MDRM
MDUID User identifier MDUID
MDACC Accounting token MDACC
MDAID Application data relating to identity MDAID
MDPAT Type of application that put the message MDPAT
MDPAN Name of application that put the message MDPAN
MDPD Date when message was put MDPD
MDPT Time when message was put MDPT
MDAOD Application data relating to origin MDAOD
Note:
The remaining fields are ignored if MDVER is less than MDVER2.
MDGID Group identifier MDGID
MDSEQ Sequence number of logical message within group MDSEQ
MDOFF Offset of data in physical message from start of logical message MDOFF
MDMFL Message flags MDMFL
MDOLN Length of original message MDOLN