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TestRequest (35=1)

The Test Request (1) message forces a heartbeat from the opposing application. The Test Request (1) message checks sequence numbers or verifies communication line status. The opposite application responds to the Test Request (1) with a Heartbeat (0) containing the TestReqID (112).

The TestReqID (112) verifies that the opposite application is generating the heartbeat as the result of Test Request (1) and not a normal timeout. The opposite application includes the TestReqID (112) in the resulting Heartbeat (0). Any string can be used as the TestReqID (112) (one suggestion is to use a timestamp string).

Request​

Body

required
    TestReqID Tag 112 (string)required

    Identifier included in Test Request (1) message to be returned in resulting Heartbeat (0)

    MsgType Tag 35 (string)

    Possible values: [1]

    Message Type = 1 (Test Request)

Heartbeat response
Schema
    TestReqID Tag 112 (string)

    Identifier included in Test Request (1) message to be returned in resulting Heartbeat (0)

    MsgType Tag 35 (string)

    Possible values: [0]

    Message Type = 0 (Heartbeat)