# MongoDB\Driver\Monitoring\CommandStartedEvent::getRequestId

(mongodb >=1.3.0)

MongoDB\Driver\Monitoring\CommandStartedEvent::getRequestId — Returns the command's request ID

### 说明

final public MongoDB\Driver\Monitoring\CommandStartedEvent::getRequestId(): string

The request ID is generated by the extension and may be used to associate this MongoDB\Driver\Monitoring\CommandStartedEvent with a later MongoDB\Driver\Monitoring\CommandFailedEvent or MongoDB\Driver\Monitoring\CommandSucceededEvent.

### 参数

此函数没有参数。

### 返回值

Returns the command's request ID.

### 错误／异常

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

### 参见

- MongoDB\Driver\Monitoring\CommandFailedEvent::getRequestId() - Returns the command's request ID
- MongoDB\Driver\Monitoring\CommandSucceededEvent::getRequestId() - Returns the command's request ID
- Application Performance Monitoring (APM)

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