QuercusVL Programming Manualold identifier (can have been modified). On the other hand, if a new detector isadded, it must be set to -1.● Detector: detector description, using a structure QueueDetector.AnswerACK/NAKIf a NAK message is received as an answer, its subcode field will give more detailedinformation about why the query has failed. See 4.8.2. NAK.4.9.27. SetRedLightDetectorAdd or modify a red light detector in the configuration system.QueryThe structure corresponds to the version 3. Check 5. Communications protocol (old versions)to see the older versions.● Type: 165● Message Data:● SessionId: session identifier obtained at the last valid “Login”.● Action (Act): action :○ 0: modify the existing detector.○ 1: add a new detector.● PeviousId: if an existing detector is modified, this parameter must indicate theold identifier (can have been modified). On the other hand, if a new detector isadded, it must be set to -1.● Detector: detector description, using a structure RedLightDetector.AnswerACK/NAKIf a NAK message is received as an answer, its subcode field will give more detailedinformation about why the query has failed. See 4.8.2. NAK.Quercus Technologies1762Act4SessionId4PreviousId157Detector
