TIMProfileSystemElem Class Reference Inherits from TIMElem : NSObject Declared in TIMMessage.h type 变更类型 @property (nonatomic, assign) TIM_PROFILE_SYSTEM_TYPE type Declared In TIMMessage.h fromUser 资料变更的用户 @property (nonatomic, strong) NSString *fromUser Declared In TIMMessage.h nickName 资料变更的昵称（暂未实现） @property (nonatomic, strong) NSString *nickName Declared In TIMMessage.h