ObjectString (MQCHARV)

Long object name of failing object being reported on. Present only in Version 2 of MQSTS or higher.

The interpretation of ObjectString depends on the value of the MQSTAT Type parameter.
MQSTAT_TYPE_ASYNC_ERROR

This is the long object name of the queue or topic used in the MQPUT operation, which failed.

MQSTAT_TYPE_RECONNECTION

Zero length string

MQSTAT_TYPE_RECONNECTION_ERROR

This is the long object name of the object that caused the reconnection to fail.

ObjectString is an output field. Its initial value is a zero length string.