//ParentClassName+ClassName.h
@interface ParentClassName(ClassName)
-(void)someFunction;
@end
//ParentClassName+ClassName.m
@implementation ParentClassName(ClassName)
-(void)someFunction { }
@end
Conteúdo para você se capacitar em programação
//ParentClassName+ClassName.h
@interface ParentClassName(ClassName)
-(void)someFunction;
@end
//ParentClassName+ClassName.m
@implementation ParentClassName(ClassName)
-(void)someFunction { }
@end