objective-c : generate random number with array

generate random number with array.m

//generate random number with array


- (void)awakeFromInsert //invoked automatically by the Core Data framework when the receiver is first inserted into a managed object context.
{
    [super awakeFromInsert];
    
    NSString *quotesFilePath = [[NSBundle mainBundle]
                                pathForResource:@"QuotesList"
                                ofType:@"plist"];
    
    
    NSArray *quotesArray = [NSArray arrayWithContentsOfFile:quotesFilePath];
    NSLog (@"quotesArray: %@", quotesArray);
    
    NSUInteger quoteIndex = arc4random() % [quotesArray count]; //generate random number
    NSDictionary *quoteDictionary = quotesArray[quoteIndex];
    NSLog (@"quoteDictionary: %@", quoteDictionary);
    
    
    [self setPrimitiveValue:quoteDictionary[@"personName"]
                     forKey:@"personName"];
    [self setPrimitiveValue:quoteDictionary[@"famousQuote"]
                     forKey:@"famousQuote"];
}