## LoggerAppenderMongoDB `LoggerAppenderMongoDB` appends log events to a mongoDB instance. MongoDB is a scalable, high-performance, open source, document-oriented database. ### Layout This appender does not require a layout. ### Parameters The following parameters are available:
Parameter | Type | Required | Default | Description
--- | --- | --- | --- | ---
host | string | No | mongodb://localhost | Server on which mongodb instance is located.
port | integer | No | 27017 | Port on which the instance is bound.
databaseName | string | No | log4php_mongodb | Name of the database to which to log.
collectionName | string | No | logs | Name of the target collection within the given database.
username | string | No | - | Username used to connect to the database.
password | string | No | - | Password used to connect to the database.
timeout | integer | No | 3000 | For how long the driver should try to connect to the database (in milliseconds).
### Changelog
Version | Description
--- | ---
`2.2.0` | Added the `timeout` parameter.
### Examples This example shows how to configure `LoggerAppenderMongoDB` to log to a remote database. XML PHP
    <configuration xmlns="http://logging.apache.org/log4php/">
        <appender name="default" class="LoggerAppenderMongoDB">
            <param name="host" value="mongodb://example.com" />
            <param name="username" value="logger" />
            <param name="password" value="secret" />
        </appender>
        <root>
            <appender_ref ref="default" />
        </root>
    </configuration>
    array(
        'appenders' => array(
            'default' => array(
                'class' => 'LoggerAppenderMongoDB',
                'params' => array(
                    'host' => 'mongodb://example.com',
                    'username' => 'logger',
                    'password' => 'secret',
                ),
            ),
        ),
        'rootLogger' => array(
            'appenders' => array('default'),
        ),
    );