---
title: SCSchemaDefinitions
framework: systemconfiguration
role: collectionGroup
path: systemconfiguration/scschemadefinitions
---

# SCSchemaDefinitions

## Overview

Overview This document describes keys and values used to access elements in the System Configuration persistent store.

## Topics

### Constants

- [Generic Keys](systemconfiguration/generic-keys.md)
- [Preference Keys](systemconfiguration/preference-keys.md)
- [Component Keys](systemconfiguration/component-keys.md)
- [Network Dictionary Keys](systemconfiguration/network-dictionary-keys.md)
- [Interface Dictionary Keys](systemconfiguration/interface-dictionary-keys.md)
- [Hostnames Dictionary Keys](systemconfiguration/hostnames-dictionary-keys.md)
- [Network Entity Keys](systemconfiguration/network-entity-keys.md)
- [DNS Entity Keys](systemconfiguration/dns-entity-keys.md)
- [Ethernet Entity Keys](systemconfiguration/ethernet-entity-keys.md)
- [Interface Entity Keys](systemconfiguration/interface-entity-keys.md)
- [IPSec Entity Keys](systemconfiguration/ipsec-entity-keys.md)
- [IPv4 Entity Keys](systemconfiguration/ipv4-entity-keys.md)
- [IPv6 Entity Keys](systemconfiguration/ipv6-entity-keys.md)
- [6to4 Entity Keys](systemconfiguration/6to4-entity-keys.md)
- [Link Entity Keys](systemconfiguration/link-entity-keys.md)
- [Modem Entity Keys](systemconfiguration/modem-entity-keys.md)
- [PPP Entity Keys](systemconfiguration/ppp-entity-keys.md)
- [L2TP Entity Keys](systemconfiguration/l2tp-entity-keys.md)
- [Proxies Entity Keys](systemconfiguration/proxies-entity-keys.md)
- [SMB Entity Keys](systemconfiguration/smb-entity-keys.md)
- [CompUsers Entity Keys](systemconfiguration/compusers-entity-keys.md)
- [CompSystem Entity Keys](systemconfiguration/compsystem-entity-keys.md)
- [Dynamic Store Domain Prefixes](systemconfiguration/dynamic-store-domain-prefixes.md)
- [Dynamic Store Entity Keys](systemconfiguration/dynamic-store-entity-keys.md)
- [Reserved Keys](systemconfiguration/reserved-keys.md)

## See Also

### Reference

- [SCDynamicStore](systemconfiguration/scdynamicstore-gb2.md)
- [SCDynamicStoreCopySpecific](systemconfiguration/scdynamicstorecopyspecific.md)
- [SCDynamicStoreKey](systemconfiguration/scdynamicstorekey.md)
- [SCNetwork](systemconfiguration/scnetwork.md)
- [SCNetworkConfiguration](systemconfiguration/scnetworkconfiguration.md)
- [SCNetworkConnection](systemconfiguration/scnetworkconnection-g7e.md)
- [SCNetworkReachability](systemconfiguration/scnetworkreachability-g7d.md)
- [SCPreferences](systemconfiguration/scpreferences-ft8.md)
- [SCPreferencesPath](systemconfiguration/scpreferencespath.md)
- [SCPreferencesSetSpecific](systemconfiguration/scpreferencessetspecific.md)
- [System Configuration](systemconfiguration/system-configuration.md)
- [SystemConfiguration Enumerations](systemconfiguration/systemconfiguration-enumerations.md)
- [SystemConfiguration Constants](systemconfiguration/systemconfiguration-constants.md)
- [SystemConfiguration Functions](systemconfiguration/systemconfiguration-functions.md)
- [SystemConfiguration Data Types](systemconfiguration/systemconfiguration-data-types.md)