Daivest

#import "RLMObject.h"
@class Message;

@interface Conversation : RLMObject
    
@property NSString *peerId;
@property NSDate *mostRecentDate;
@property Message *mostRecentMessage;
@end

Daivest

#import <Realm/Realm.h>
#import "Member.h"

@interface Chat : RLMObject

@property NSString *Id;
@property NSString *info;
@property RLMArray<Member *> <Member> *members;

@end