---
title: providerBundleIdentifier
framework: networkextension
role: symbol
role_heading: Instance Property
path: networkextension/netunnelproviderprotocol/providerbundleidentifier
---

# providerBundleIdentifier

A string identifying the specific Tunnel Provider extension that should be used with this configuration.

## Declaration

```swift
var providerBundleIdentifier: String? { get set }
```

## Discussion

Discussion A single app may contain multiple Tunnel Provider extensions. This property is used to specify which Tunnel Provider extension should be used with this configuration.

## See Also

### Accessing the tunnel configuration

- [providerConfiguration](networkextension/netunnelproviderprotocol/providerconfiguration.md)