> ## Documentation Index > Fetch the complete documentation index at: https://devdocs.xbox.com/llms.txt > Use this file to discover all available pages before exploring further. # privacy_c > privacy_c # privacy\_c ## Enumerations | Enumeration | Description | | -------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------- | | [XblAnonymousUserType](/reference/live/xsapi-c/privacy_c/enums/xblanonymoususertype) | Represents the different classes of non-XBOX Live users that we can check permissions for. | | [XblPermission](/reference/live/xsapi-c/privacy_c/enums/xblpermission) | Actions that a client can check permission for. | | [XblPermissionDenyReason](/reference/live/xsapi-c/privacy_c/enums/xblpermissiondenyreason) | This describes the various ways that we expose to a requestor why a permission check may fail. | | [XblPrivacyListChangeType](/reference/live/xsapi-c/privacy_c/enums/xblprivacylistchangetype) | Defines the type of change that occurred on a privacy list. | | [XblPrivacySetting](/reference/live/xsapi-c/privacy_c/enums/xblprivacysetting) | All of the things protected by the Privacy Engine. | | [XblPrivilege](/reference/live/xsapi-c/privacy_c/enums/xblprivilege) | Controls user's privileges. | ## Functions | Function | Description | | ------------------------------------------------------------------------------------------------------------------------------------------------------ | ---------------------------------------------------------------------------------------------------------------- | | [XblPrivacyAddBlockListChangedHandler](/reference/live/xsapi-c/privacy_c/functions/xblprivacyaddblocklistchangedhandler) | Registers an event handler for notifications when the user's block list changes. | | [XblPrivacyAddMuteListChangedHandler](/reference/live/xsapi-c/privacy_c/functions/xblprivacyaddmutelistchangedhandler) | Registers an event handler for notifications when the user's mute list changes. | | [XblPrivacyBatchCheckPermissionAsync](/reference/live/xsapi-c/privacy_c/functions/xblprivacybatchcheckpermissionasync) | Check multiple permissions with multiple target users. Each permission will be checked against each target user. | | [XblPrivacyBatchCheckPermissionResult](/reference/live/xsapi-c/privacy_c/functions/xblprivacybatchcheckpermissionresult) | Get the results for an XblPrivacyBatchCheckPermissionAsync call. | | [XblPrivacyBatchCheckPermissionResultSize](/reference/live/xsapi-c/privacy_c/functions/xblprivacybatchcheckpermissionresultsize) | Get the result size for an XblPrivacyBatchCheckPermissionAsync call. | | [XblPrivacyCheckPermissionAsync](/reference/live/xsapi-c/privacy_c/functions/xblprivacycheckpermissionasync) | Check a single permission with a single target user. | | [XblPrivacyCheckPermissionForAnonymousUserAsync](/reference/live/xsapi-c/privacy_c/functions/xblprivacycheckpermissionforanonymoususerasync) | Check a single permission for class of anonymous users. | | [XblPrivacyCheckPermissionForAnonymousUserResult](/reference/live/xsapi-c/privacy_c/functions/xblprivacycheckpermissionforanonymoususerresult) | Get the result for an XblPrivacyCheckPermissionForAnonymousUserAsync call. | | [XblPrivacyCheckPermissionForAnonymousUserResultSize](/reference/live/xsapi-c/privacy_c/functions/xblprivacycheckpermissionforanonymoususerresultsize) | Get the result size for an XblPrivacyCheckPermissionForAnonymousUserAsync call. | | [XblPrivacyCheckPermissionResult](/reference/live/xsapi-c/privacy_c/functions/xblprivacycheckpermissionresult) | Get the result for an XblPrivacyCheckPermissionAsync call. | | [XblPrivacyCheckPermissionResultSize](/reference/live/xsapi-c/privacy_c/functions/xblprivacycheckpermissionresultsize) | Get the result size for an XblPrivacyCheckPermissionAsync call. | | [XblPrivacyGetAvoidListAsync](/reference/live/xsapi-c/privacy_c/functions/xblprivacygetavoidlistasync) | Get the list of Xuids the calling user should avoid during multiplayer matchmaking. | | [XblPrivacyGetAvoidListResult](/reference/live/xsapi-c/privacy_c/functions/xblprivacygetavoidlistresult) | Get result for an XblPrivacyGetAvoidListAsync call. | | [XblPrivacyGetAvoidListResultCount](/reference/live/xsapi-c/privacy_c/functions/xblprivacygetavoidlistresultcount) | Get result count for an XblPrivacyGetAvoidListAsync call. | | [XblPrivacyGetMuteListAsync](/reference/live/xsapi-c/privacy_c/functions/xblprivacygetmutelistasync) | Get the list of Xuids that the calling user should not hear (mute) during multiplayer matchmaking. | | [XblPrivacyGetMuteListResult](/reference/live/xsapi-c/privacy_c/functions/xblprivacygetmutelistresult) | Get result for an XblPrivacyGetMuteListAsync call. | | [XblPrivacyGetMuteListResultCount](/reference/live/xsapi-c/privacy_c/functions/xblprivacygetmutelistresultcount) | Get result count for an XblPrivacyGetMuteListAsync call. | | [XblPrivacyRemoveBlockListChangedHandler](/reference/live/xsapi-c/privacy_c/functions/xblprivacyremoveblocklistchangedhandler) | Removes a block list change handler. | | [XblPrivacyRemoveMuteListChangedHandler](/reference/live/xsapi-c/privacy_c/functions/xblprivacyremovemutelistchangedhandler) | Removes a mute list change handler. | ## Structures | Structure | Description | | ------------------------------------------------------------------------------------------------------------------ | ----------------------------------------------------------- | | [XblPermissionCheckResult](/reference/live/xsapi-c/privacy_c/structs/xblpermissioncheckresult) | Struct describing the result of a permission check request. | | [XblPermissionDenyReasonDetails](/reference/live/xsapi-c/privacy_c/structs/xblpermissiondenyreasondetails) | This struct gives details about why permission is denied. | | [XblPrivacyBlockListChangeEventArgs](/reference/live/xsapi-c/privacy_c/structs/xblprivacyblocklistchangeeventargs) | Event arguments for a block list change. | | [XblPrivacyMuteListChangeEventArgs](/reference/live/xsapi-c/privacy_c/structs/xblprivacymutelistchangeeventargs) | Event arguments for a mute list change. | ## Related topics - [Privacy and permissions](/services/xbox-services/fundamentals/identity/privacy/live-privacy-permissions-nav.md) - [XblPrivacySetting](/ko/reference/live/xsapi-c/privacy_c/enums/xblprivacysetting.md) - [XblPrivacyCheckPermissionAsync](/ko/reference/live/xsapi-c/privacy_c/functions/xblprivacycheckpermissionasync.md) - [XblPrivacyCheckPermissionResult](/ja-jp/reference/live/xsapi-c/privacy_c/functions/xblprivacycheckpermissionresult.md) - [XblPrivacyListChangeType](/ja-jp/reference/live/xsapi-c/privacy_c/enums/xblprivacylistchangetype.md)