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The MongoDB\Driver\Monitoring\CommandFailedEvent class

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The MongoDB\Driver\Monitoring\CommandFailedEvent class encapsulates information about a failed command.

The MongoDB\Driver\Monitoring\CommandFailedEvent class encapsulates information about a failed command.

class MongoDB\Driver\Monitoring\CommandFailedEvent { }

host: The hostname of the server that executed the command.
port: The port of the server that executed the command.
commandName: The command name.
databaseName: The database name.
duration: The duration of the command in microseconds. The duration is a calculated value that includes the time to send the message and receive the response from the server.
error: The exception that was thrown when the command failed.
reply: The failure reply document returned by the server.
operationId: The operation ID. This may be used to link events together such as bulk writes, which may dispatch multiple commands.
requestId: The request ID. This may be used to associate this MongoDB\Driver\Monitoring\CommandFailedEvent with a corresponding MongoDB\Driver\Monitoring\CommandStartedEvent.
serviceId: The service ID, or null if the server does not support it (i.e. not using load-balanced mode).
serverConnectionId: The server connection ID, or null if not available.