An event notification sent when the driver observes a change in any of the servers it is connected to or

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1.30.4                                            Jun 08, 2025                  MONGOC_APM_TOPOLOGY_CHANGED_T(3)

       An  event notification sent when the driver observes a change in any of the servers it is connected to or
       a change in the overall server topology.

       SEEALSO:IntroductiontoApplicationPerformanceMonitoring