# 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.

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