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<MongoDB\Driver\Monitoring\SDAMSubscriber::topologyOpeningMongoDB\Driver\Exception>
^MongoDB\Driver\MonitoringLast updated: Mon, 26 Oct 2026

The MongoDB\Driver\Monitoring\Subscriber interface

(mongodb >=1.3.0)

Introduction

Base interface for event subscribers. This is used as a parameter type in the functions MongoDB\Driver\Monitoring\addSubscriber() and MongoDB\Driver\Monitoring\removeSubscriber() and should not be implemented directly.

Interface synopsis

class MongoDB\Driver\Monitoring\Subscriber {
}

This interface has no methods. Its only purpose is to be the base interface for all event subscribers.


<MongoDB\Driver\Monitoring\SDAMSubscriber::topologyOpeningMongoDB\Driver\Exception>
^MongoDB\Driver\MonitoringLast updated: Mon, 26 Oct 2026