ExitDataLength (MQLONG)

This field specifies length in bytes of each of the user data items in the lists of exit user data items addressed by the MsgUserDataPtr, SendUserDataPtr, and ReceiveUserDataPtr fields.

This length is not necessarily the same as MQ_EXIT_DATA_LENGTH.

This is an input field to the exit. The field is not present if Version is less than MQCD_VERSION_4.