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# pause()

Creates a verdict that tells the system to pause the flow.

```
class func pause() -> NEFilterDataVerdict
```

## Return Value

A `NEFilterDataVerdict` object.

## Discussion

After pausing the flow, the system doesn’t call any of the data provider’s handler callbacks until you resume the flow by calling [`resumeFlow(_:with:)`](/documentation/NetworkExtension/NEFilterDataProvider/resumeFlow(_:with:)).

You can pause TCP flows indefinitely. You can pause UDP flows for up to 10 seconds, after which the system drops the flow. Pausing a flow that’s already paused is an invalid operation.

---

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