# MongoDB\Driver\Monitoring\CommandStartedEvent::getServerConnectionId

(mongodb >=1.14.0)

MongoDB\Driver\Monitoring\CommandStartedEvent::getServerConnectionId — Returns the server connection ID for the command

### Descripción

final public MongoDB\Driver\Monitoring\CommandStartedEvent::getServerConnectionId(): ?int

Returns the server connection ID for the command. The server connection ID is distinct from server (i.e. MongoDB\Driver\Monitoring\CommandStartedEvent::getServer()) and is returned in the "connectionId" field of a `hello` command response MongoDB 4.2+.

### Parámetros

Esta función no tiene parámetros.

### Valores devueltos

Returns the server connection ID, or `null` if it is not available.

### Errores/Excepciones

- Lanza una MongoDB\Driver\Exception\InvalidArgumentException en errores de análisis de argumentos.