---
title: SCNetworkReachabilityGetTypeID()
framework: systemconfiguration
role: symbol
role_heading: Function
path: systemconfiguration/scnetworkreachabilitygettypeid()
---

# SCNetworkReachabilityGetTypeID()

Returns the type identifier of all SCNetworkReachability instances.

## Declaration

```swift
func SCNetworkReachabilityGetTypeID() -> CFTypeID
```

## Return Value

Return Value The type identifier of all SCNetworkReachability instances.

## See Also

### Preparing to Determine Reachability

- [SCNetworkReachabilitySetCallback(_:_:_:)](systemconfiguration/scnetworkreachabilitysetcallback(_:_:_:).md)
- [SCNetworkReachabilityScheduleWithRunLoop(_:_:_:)](systemconfiguration/scnetworkreachabilityschedulewithrunloop(_:_:_:).md)
- [SCNetworkReachabilityUnscheduleFromRunLoop(_:_:_:)](systemconfiguration/scnetworkreachabilityunschedulefromrunloop(_:_:_:).md)
- [SCNetworkReachabilitySetDispatchQueue(_:_:)](systemconfiguration/scnetworkreachabilitysetdispatchqueue(_:_:).md)