---
title: "nw_parameters_get_allow_ultra_constrained(_:)"
framework: network
role: symbol
role_heading: Function
path: "network/nw_parameters_get_allow_ultra_constrained(_:)"
---

# nw_parameters_get_allow_ultra_constrained(_:)

## Declaration

```swift
func nw_parameters_get_allow_ultra_constrained(_ parameters: nw_parameters_t) -> Bool
```

## Parameters

- `parameters`: The parameters to check.

## Return Value

Return Value Returns whether or not ultra-constrained interfaces are allowed.

## Discussion

Discussion Check if the parameters explicitly allow connectivity over ultra-constrained interfaces.