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Heartbeat

The Heartbeat message is used to maintain session connectivity and indicate that the application is functioning normally. Heartbeat messages are sent periodically based on the HeartBtInt from Logon, in response to Test Request messages, or when no other messages have been sent within the heartbeat interval.

MESSAGE BODY

header required

MsgType 0

112 - TestReqID string required

Required when the heartbeat is the result of a Test Request message.

trailer required