# MongoDB\Driver\Monitoring\ServerHeartbeatFailedEvent::isAwaited

(mongodb >=1.13.0)

MongoDB\Driver\Monitoring\ServerHeartbeatFailedEvent::isAwaited — Returns whether the heartbeat used a streaming protocol

### 说明

final public MongoDB\Driver\Monitoring\ServerHeartbeatFailedEvent::isAwaited(): bool

Returns whether the heartbeat used a streaming protocol. The extension does not use the streaming protocol for monitoring, so this method will always return `false`.

### 参数

此函数没有参数。

### 返回值

Returns `false`.

### 错误／异常

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

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