Required parameters

Command
name:
"MQPSCommand"   (string constant: MQPS_COMMAND)
value:
"ReqUpdate"   (string constant: MQPS_REQUEST_UPDATE)

Command must be the first parameter in the NameValueString.

Topic
name:
"MQPSTopic"   (string constant: MQPS_TOPIC)
value:
The topic the subscriber is requesting. Wild cards are allowed, in which case the subscriber might receive multiple retained publications.

Only one occurrence of Topic is allowed in this message.