How to pass button tag value one controller to another controller

First controller:

    button_name.tag = value;

    NSInteger theInteger =  button_name.tag;

   Second_controller *next = [[Second_controller alloc]ini];

   [next setMyInteger:theInteger];

   [self.navigationController pushViewController:next animated:YES];

Second controller:

@property(nonatomic) NSInteger myInteger;