Notification method for a log message

# MongoDB\Driver\Monitoring\LogSubscriber::log

(mongodb >=1.17.0)

MongoDB\Driver\Monitoring\LogSubscriber::log — Notification method for a log message

### Description

abstract public MongoDB\Driver\Monitoring\LogSubscriber::log(int `$level`, string `$domain`, string `$message`): void

If the subscriber is registered, this method is called for each logged message.

### Parameters

`level`

  The severity level. This will be one of the interface constants.

`domain`

  The name of the driver component that emitted the log message.

`message`

  The log message.

### Return Values

No value is returned.

### Errors/Exceptions

- Throws MongoDB\Driver\Exception\InvalidArgumentException on argument parsing errors.

### See Also

- MongoDB\Driver\Monitoring\addSubscriber() - Registers a monitoring event subscriber globally

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