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# System Configuration

## Overview

The `SystemConfiguration` programming interface provides functions you can use to get and interpret status and error codes generated as a result of calling functions of the System Configuration framework.

## Topics

### Functions

[`SCCopyLastError`](/documentation/SystemConfiguration/SCCopyLastError())

Returns an error or status code associated with the most recent function call.

[`SCError`](/documentation/SystemConfiguration/SCError())

Returns an error or status code associated with the most recent function call.

[`SCErrorString`](/documentation/SystemConfiguration/SCErrorString(_:))

Returns a string describing the specified status code or error code.

### Constants

[Status and Error Codes](/documentation/SystemConfiguration/1518026-status-and-error-codes)

The status or error code generated by the most recent System Configuration function call.

[Error Domain](/documentation/SystemConfiguration/error-domain)

The error domain associated with errors reported by the System Configuration framework.


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