<!--
{
  "availability" : [
    "iOS: 13.0.0 -",
    "iPadOS: 13.0.0 -",
    "macCatalyst: 13.1.0 -",
    "macOS: 10.15.0 -",
    "tvOS: 13.0.0 -",
    "visionOS: 1.0.0 -",
    "watchOS: 6.0.0 -"
  ],
  "documentType" : "symbol",
  "framework" : "Network",
  "identifier" : "/documentation/Network/nw_parameters_set_prohibit_constrained(_:_:)",
  "metadataVersion" : "0.1.0",
  "role" : "Function",
  "symbol" : {
    "kind" : "Function",
    "modules" : [
      "Network"
    ],
    "preciseIdentifier" : "c:@F@nw_parameters_set_prohibit_constrained"
  },
  "title" : "nw_parameters_set_prohibit_constrained(_:_:)"
}
-->

# nw_parameters_set_prohibit_constrained(_:_:)

Prevents connections, listeners, and browsers from using network paths marked as constrained by Low Data Mode.

```
func nw_parameters_set_prohibit_constrained(_ parameters: nw_parameters_t, _ prohibit_constrained: Bool)
```

---

Copyright &copy; 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)