Here is a list of all documented class members with links to the class documentation for each member:

- u -

• uid_ : nim::SignalingAcceptParam, nim::SignalingCallParam, nim::SignalingJoinAndAcceptParam, nim::SignalingJoinParam, nim::SignalingMemberInfo, NIMSignalingAcceptParam, NIMSignalingCallParam, NIMSignalingJoinAndAcceptParam, NIMSignalingJoinParam, NIMSignalingMemberInfo
• UnbanMember() : nim_qchat::Server
• unique_id : nim::CollectInfo
• UnLoadSdkDll() : nim::SDKInstance
• UnPinMessage() : nim::TalkEx::PinMsg
• UnpublishVideo() : nim::VChat
• unread_count : NIMQChatServerUnreadInfo, NIMQChatUnreadInfo
• unread_count_ : nim::SessionData, nim::SessionDataList
• unread_count_map_ : nim::SessionDataList
• unread_info : nim_qchat::QChatMarkMessageReadResp, NIMQChatMarkMessageReadResp
• unread_infos : nim_qchat::QChatChannelQueryUnreadInfoResp, nim_qchat::QChatChannelSubscribeResp, nim_qchat::QChatChannelUnreadResp, nim_qchat::QChatServerSubscribeAllChannelResp, nim_qchat::QChatServerUnreadResp, NIMQChatChannelSubscribeResp, NIMQChatChannelUnreadResp, NIMQChatServerSubscribeAllChannelResp, NIMQChatServerUnreadResp
• unread_infos_count : NIMQChatChannelSubscribeResp, NIMQChatChannelUnreadResp, NIMQChatServerSubscribeAllChannelResp, NIMQChatServerUnreadResp
• UnregAllCb() : nim::TalkEx::PinMsg, nim::TalkEx::QuickComment
• UnregChatroomCb() : nim_chatroom::ChatRoom
• UnregClientCb() : nim::Client
• UnregDataSyncCb() : nim::DataSync
• UnregFriendCb() : nim::Friend
• UnregMsglogCb() : nim::MsgLog
• UnregMsgologCb() : nim::MsgLog
• UnregNosCb() : nim::NOS
• UnregRobotCb() : nim::Robot
• UnregSessionCb() : nim::Session
• UnregSessionOnLineServiceCb() : nim::SessionOnLineService
• UnregSuperTeamCb() : nim::SuperTeam
• UnregSysmsgCb() : nim::SystemMsg
• UnregTalkCb() : nim::Talk
• UnregTeamCb() : nim::Team
• UnregUserCb() : nim::User
• UnSubscribe() : nim::SubscribeEvent
• UnSubscribeEventCallback : nim::SubscribeEvent
• UnsubscribeVideo() : nim::VChat
• Update() : nim::Friend, nim::FriendProfile, nim::SuperTeamInfo, nim::TeamInfo, nim::UserNameCard, nim_qchat::Message, nim_qchat::SystemNotification
• update_accid : nim_qchat::QChatApplyInfoData, NIMQChatApplyInfoData
• update_content : nim_qchat::QChatMessage, NIMQChatMessage
• update_info : nim_qchat::QChatMsgUpdatedResp, nim_qchat::QChatSystemNotificationUpdatedResp, nim_qchat::QChatUpdateMessageParam, nim_qchat::QChatUpdateSystemNotificationParam, NIMQChatDeleteMessageParam, NIMQChatMsgUpdatedResp, NIMQChatRevokeMessageParam, NIMQChatSystemNotificationUpdatedResp, NIMQChatUpdateMessageParam, NIMQChatUpdateSystemNotificationParam
• update_ope_info : nim_qchat::QChatMessage, NIMQChatMessage
• update_postscript : nim_qchat::QChatApplyInfoData, nim_qchat::QChatBeInvitedInfoData, nim_qchat::QChatInviteUserInfo, nim_qchat::QChatJoinByInviteCodeInfoData, NIMQChatApplyInfoData, NIMQChatBeInvitedInfoData, NIMQChatInviteUserInfo, NIMQChatJoinByInviteCodeInfoData
• update_priority_info : NIMQChatBatchUpdateServerRolePrioritiesParam
• update_time : nim::CollectInfo, nim::PinMessageInfo, nim_qchat::QChatChannelCategoryInfo, nim_qchat::QChatChannelCategoryMemberRoleInfo, nim_qchat::QChatChannelInfo, nim_qchat::QChatInviteApplyRecord, nim_qchat::QChatInviteUserInfo, nim_qchat::QChatMemberBanInfo, nim_qchat::QChatMemberInfo, nim_qchat::QChatMemberRoleInfo, nim_qchat::QChatRoleInfoBase, nim_qchat::QChatServerInfo, NIMQChatChannelCategoryInfo, NIMQChatChannelCategoryMemberRoleInfo, NIMQChatChannelInfo, NIMQChatInviteApplyRecord, NIMQChatInviteUserInfo, NIMQChatMemberBanInfo, NIMQChatMemberInfo, NIMQChatMemberRoleInfo, NIMQChatRoleInfo, NIMQChatServerInfo
• update_time_ : nim::SessionOnLineServiceHelper::SessionInfo, nim::StickTopSessionInfo
• update_timestamp : nim_qchat::QChatMessage, nim_qchat::QChatSystemNotification, NIMQChatMessage, NIMQChatSystemNotification
• update_timetag_ : nim::BlackMuteListInfo, nim::FriendProfile, nim::UserNameCard, nim_chatroom::ChatRoomMemberInfo
• UpdateCategoryInfo() : nim_qchat::Channel
• UpdateChannel() : nim_qchat::Channel
• UpdateChannelCategory() : nim_qchat::ChannelCategory
• UpdateChannelCategoryMemberRole() : nim_qchat::Role
• UpdateChannelCategoryRole() : nim_qchat::Role
• UpdateChannelCategoryWhiteBlackMembers() : nim_qchat::ChannelCategory
• UpdateChannelCategoryWhiteBlackRole() : nim_qchat::ChannelCategory
• UpdateChannelRole() : nim_qchat::Role
• UpdateCollectCallback : nim::TalkEx::Collect
• UpdateCollectExt() : nim::TalkEx::Collect
• UpdateHasmoreRoammsg() : nim::Session
• UpdateHasmoreRoammsgCallback : nim::Session
• UpdateLocalExtAsync() : nim::MsgLog
• UpdateLocalExtCallback : nim::MsgLog
• UpdateLocation() : nim_chatroom::ChatRoom
• UpdateLocationCallback : nim_chatroom::ChatRoom
• UpdateMemberInfo() : nim_qchat::Server
• UpdateMemberRole() : nim_qchat::Role
• UpdateMyPropertyAsync() : nim::SuperTeam, nim::Team
• UpdateMyRoomRoleAsync() : nim_chatroom::ChatRoom
• UpdateMyRoomRoleCallback : nim_chatroom::ChatRoom
• UpdateMyUserNameCard() : nim::User
• UpdateMyUserNameCardCallback : nim::User
• UpdateOtherNickAsync() : nim::SuperTeam, nim::Team
• UpdatePinMessage() : nim::TalkEx::PinMsg
• UpdateRoomInfoAsync() : nim_chatroom::ChatRoom
• UpdateRoomInfoCallback : nim_chatroom::ChatRoom
• UpdateRTCInfo() : nim_qchat::Channel
• UpdateRtmpUrl() : nim::VChat
• UpdateServer() : nim_qchat::Server
• UpdateServerRole() : nim_qchat::Role
• UpdateServerRolePriorities() : nim_qchat::Role
• UpdateSession() : nim::SessionOnLineService
• UpdateSessionInfoCallback : nim::SessionOnLineService
• UpdateStickTopSessionCallback : nim::Session
• UpdateStickTopSessionNotifyCallback : nim::Session
• UpdateSuperTeamInfoAsync() : nim::SuperTeam
• UpdateTags() : nim_chatroom::ChatRoom
• UpdateTagsCallback : nim_chatroom::ChatRoom
• UpdateTeamInfoAsync() : nim::Team
• UpdateTInfoLocal() : nim::Team
• UpdateTInfoLocalCallback : nim::Team
• UpdateToStickTopSession() : nim::Session
• UpdateWhiteBlackMembers() : nim_qchat::Channel
• UpdateWhiteBlackRole() : nim_qchat::Channel
• Upload() : nim_qchat::Attachment
• upload_file_path : nim::DocTransInfo
• upload_sdk_events_after_login_ : nim::SDKConfig
• UploadMediaCallback : nim::NOS
• UploadMediaExCallback : nim::NOS
• UploadMediaResult() : nim::UploadMediaResult
• UploadResource() : nim::NOS
• UploadResource2() : nim::NOS
• UploadResourceEx() : nim::NOS
• UploadResourceEx2() : nim::NOS
• UploadSDKLog() : nim::Global
• url : nim_qchat::QChatAttachmentCustomTokenResp, nim_qchat::QChatAttachmentDownloadParam, nim_qchat::QChatAttachmentUploadResp, NIMQChatAttachmentCustomTokenResp, NIMQChatAttachmentDownloadParam, NIMQChatAttachmentUploadResp
• url_ : nim::AudioInfo, nim::IMFile, nim::UploadMediaResult
• url_prefix_ : nim::DocTransInfo
• use_custom_content : nim_qchat::QChatMessageAntiSpamInfo, NIMQChatMessageAntiSpamInfo
• use_https_ : nim::SDKConfig
• use_private_server_ : nim::SDKConfig
• user_data : NIMQChatAddQuickCommentParam, NIMQChatAttachmentCustomTokenResp, NIMQChatAttachmentDownloadParam, NIMQChatAttachmentDownloadResp, NIMQChatAttachmentProgressResp, NIMQChatAttachmentRegCustomTokenCbParam, NIMQChatAttachmentRegDownloadCbParam, NIMQChatAttachmentRegProgressCbParam, NIMQChatAttachmentRegUploadCbParam, NIMQChatAttachmentUploadParam, NIMQChatAttachmentUploadResp, NIMQChatBaseResp, NIMQChatChannelCategoryCreateParam, NIMQChatChannelCategoryCreateResp, NIMQChatChannelCategoryGetExistingWhiteBlackMembersParam, NIMQChatChannelCategoryGetExistingWhiteBlackRolesParam, NIMQChatChannelCategoryGetExistingWhiteBlackRolesResp, NIMQChatChannelCategoryGetWhiteBlackMembersPageParam, NIMQChatChannelCategoryGetWhiteBlackMembersPageResp, NIMQChatChannelCategoryGetWhiteBlackMembersResp, NIMQChatChannelCategoryGetWhiteBlackRolesPageParam, NIMQChatChannelCategoryGetWhiteBlackRolesPageResp, NIMQChatChannelCategoryRemoveParam, NIMQChatChannelCategoryUpdateParam, NIMQChatChannelCategoryUpdateWhiteBlackMembersParam, NIMQChatChannelCategoryUpdateWhiteBlackRoleParam, NIMQChatChannelCreateParam, NIMQChatChannelCreateResp, NIMQChatChannelDeleteParam, NIMQChatChannelGetCategoriesByIDParam, NIMQChatChannelGetCategoriesByIDResp, NIMQChatChannelGetCategoriesPageParam, NIMQChatChannelGetCategoriesPageResp, NIMQChatChannelGetCategoryChannelsPageParam, NIMQChatChannelGetChannelsPageParam, NIMQChatChannelGetChannelsPageResp, NIMQChatChannelGetChannelsParam, NIMQChatChannelGetChannelsResp, NIMQChatChannelGetExistingWhiteBlackMembersParam, NIMQChatChannelGetExistingWhiteBlackMembersResp, NIMQChatChannelGetExistingWhiteBlackRolesParam, NIMQChatChannelGetExistingWhiteBlackRolesResp, NIMQChatChannelGetMembersPageParam, NIMQChatChannelGetRTCInfoParam, NIMQChatChannelGetRTCInfoResp, NIMQChatChannelGetRTCOnlineMembersParam, NIMQChatChannelGetRTCOnlineMembersResp, NIMQChatChannelGetWhiteBlackMembersPageParam, NIMQChatChannelGetWhiteBlackMembersPageResp, NIMQChatChannelGetWhiteBlackRolesPageParam, NIMQChatChannelGetWhiteBlackRolesPageResp, NIMQChatChannelMemberSearchParam, NIMQChatChannelMemberSearchResp, NIMQChatChannelQueryUnreadInfoParam, NIMQChatChannelQueryUnreadInfoResp, NIMQChatChannelSearchPageParam, NIMQChatChannelSubscribeResp, NIMQChatChannelUnreadResp, NIMQChatChannelUpdateCategoryInfoParam, NIMQChatChannelUpdateParam, NIMQChatChannelUpdateRTCInfoParam, NIMQChatChannelUpdateWhiteBlackMembersParam, NIMQChatChannelUpdateWhiteBlackRoleParam, NIMQChatCustomTokenResp, NIMQChatDeleteMessageParam, NIMQChatGetLastMessagesParam, NIMQChatGetMessageHistoryByIdsParam, NIMQChatGetMessagesCacheParam, NIMQChatGetMessagesParam, NIMQChatGetMessagesResp, NIMQChatGetQuickCommentsParam, NIMQChatGetQuickCommentsResp, NIMQChatGetReferMessagesParam, NIMQChatGetRTCTokenParam, NIMQChatGetRTCTokenResp, NIMQChatGetThreadMessagesParam, NIMQChatGetThreadMessagesResp, NIMQChatGetThreadRootMessagesMetaParam, NIMQChatGetThreadRootMessagesMetaResp, NIMQChatKickedResp, NIMQChatKickParam, NIMQChatKickResp, NIMQChatLoginParam, NIMQChatLoginResp, NIMQChatLoginStatusResp, NIMQChatLogoutParam, NIMQChatLogoutResp, NIMQChatMarkMessageReadParam, NIMQChatMarkMessageReadResp, NIMQChatMarkSystemNotificationsReadParam, NIMQChatMessageSearchPageParam, NIMQChatMessageSearchPageResp, NIMQChatMsgUpdatedResp, NIMQChatMultispotLoginResp, NIMQChatRecvMsgResp, NIMQChatRecvSystemNotificationResp, NIMQChatRecvTypingEventResp, NIMQChatRegCustomTokenCbParam, NIMQChatRegKickedCbParam, NIMQChatRegLoginStatusCbParam, NIMQChatRegMsgUpdatedCbParam, NIMQChatRegMultispotLoginCbParam, NIMQChatRegRecvMsgCbParam, NIMQChatRegRecvSystemNotificationCbParam, NIMQChatRegRecvTypingEventCbParam, NIMQChatRegSDKLogCbParam, NIMQChatRegSystemNotificationUpdatedCbParam, NIMQChatReplyMessageParam, NIMQChatRevokeMessageParam, NIMQChatSDKLogResp, NIMQChatSendMessageParam, NIMQChatSendMessageResp, NIMQChatSendSystemNotificationParam, NIMQChatSendSystemNotificationResp, NIMQChatSendTypingEventParam, NIMQChatSendTypingEventResp, NIMQChatServerAcceptApplyParam, NIMQChatServerAcceptInviteParam, NIMQChatServerApplyParam, NIMQChatServerApplyResp, NIMQChatServerBanMemberParam, NIMQChatServerCreateParam, NIMQChatServerCreateResp, NIMQChatServerDeleteParam, NIMQChatServerGenerateInviteCodeParam, NIMQChatServerGenerateInviteCodeResp, NIMQChatServerGetBannedMembersPageParam, NIMQChatServerGetBannedMembersPageResp, NIMQChatServerGetInviteApplyRecordOfSelfParam, NIMQChatServerGetInviteApplyRecordOfServerParam, NIMQChatServerGetInviteApplyRecordOfServerResp, NIMQChatServerGetMembersPageParam, NIMQChatServerGetMembersPageResp, NIMQChatServerGetMembersParam, NIMQChatServerGetMembersResp, NIMQChatServerGetServersPageParam, NIMQChatServerGetServersPageResp, NIMQChatServerGetServersParam, NIMQChatServerGetServersResp, NIMQChatServerInviteParam, NIMQChatServerInviteResp, NIMQChatServerJoinByInviteCodeParam, NIMQChatServerKickParam, NIMQChatServerLeaveParam, NIMQChatServerMarkReadParam, NIMQChatServerMarkReadResp, NIMQChatServerMemberSearchParam, NIMQChatServerRejectApplyParam, NIMQChatServerRejectInviteParam, NIMQChatServerSearchPageParam, NIMQChatServerSubscribeAllChannelParam, NIMQChatServerSubscribeAllChannelResp, NIMQChatServerSubscribeParam, NIMQChatServerSubscribeResp, NIMQChatServerUnbanMemberParam, NIMQChatServerUnreadResp, NIMQChatServerUpdateMemberInfoParam, NIMQChatServerUpdateParam, NIMQChatSystemNotificationUpdatedResp, NIMQChatUpdateMessageParam, NIMQChatUpdateMessageResp, NIMQChatUpdateSystemNotificationParam, NIMQChatUpdateSystemNotificationResp
• user_data_ : NIMLogsBackupExportInfo, NIMLogsBackupImportInfo
• user_datafile_localbackup_folder_ : nim::SDKConfig
• UserNameCard() : nim::UserNameCard
• UserNameCardChangedCallback : nim::User