# MongoDB\Driver\Monitoring\CommandFailedEvent::getDurationMicros

(mongodb >=1.3.0)

MongoDB\Driver\Monitoring\CommandFailedEvent::getDurationMicros — Returns the command's duration in microseconds

### 说明

final public MongoDB\Driver\Monitoring\CommandFailedEvent::getDurationMicros(): int

The command's duration is a calculated value that includes the time to send the message and receive the reply from the server.

### 参数

此函数没有参数。

### 返回值

Returns the command's duration in microseconds.

### 错误／异常

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

### 参见

- Application Performance Monitoring (APM)

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