nsdictionary - Mutable deep-copy of a NSMutableDictionary -

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First of all I found something similar. But this does not solve my problem

I have it. A NSMutableDictionary as a template 

  NSMutableDictionary * mutableDictionaryTemplate = [NSMutableDictionary dictionaryWithObjectsAndKeys: @ "obj1, @" key1 ", @" obj2, @ "key2", zero];   
 Now I copy this dictionary, then change some parts and later.  
  NSMutableArray * savedIterations = [NSMutableArray want to save in a new NSMutable array]; // Some loops that usually change objects i int = 0; (I & lt; 5) {NSMutableDictionary * copiedDictionary = [mutableDictionaryTemplate copy]; [CopiedDictionary set object: @ "obj3" for: @ "key3"]; [Saved change addObject: copiedDictionary]; I ++; }   
 My problem is that it is now variable once I copy the NSMutableDictionary "mutableDictionaryTemplate". But I need to copy it because otherwise I will have the same NSMutableDictionary in my index of each of its NSMutableArray "savedIterations" (at least I think so). I also tried a temporary copy but changed the "mutableDictionaryTemplate" when I changed "copied". I think there is something wrong with what I have to copy and what is not and how to copy it correctly. It would be great if someone pointed me in the right direction.   
 
 
 You can try this:  
  NSMutableDictionary * destinationDictionary = (NSMutableDictionary *) CFBridgingRelease (CFPropertyListCreateDeepCopy (kCFAllocatorDefault, (__bridge CFPropertyListRef) (sourceDictionary), kCFPropertyListMutableContainers));

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