gistfile1.m

NSTextAttachment *attachment = [NSTextAttachment new];
    attachment.image = [[UIImage imageNamed:@"iconBookmarkhint.png"] resizedImageToFitInSize:(CGSize){10,10} scaleIfSmaller:YES];
    NSMutableAttributedString *imageAttrString = [[NSAttributedString attributedStringWithAttachment:attachment] mutableCopy];
    

    NSMutableAttributedString *attributedString1 = [[NSMutableAttributedString alloc] initWithString:@"To save a chat message, tap and hold the message and use the"
                                                                                          attributes:@{NSFontAttributeName : [UIFont fontWithName:@"HelveticaNeue-Light" size:13],
                                                                                                  NSForegroundColorAttributeName : [UIColor blackColor]}];

    NSAttributedString *attributedString2 = [[NSAttributedString alloc] initWithString:@"button"
                                                                            attributes:@{NSFontAttributeName : [UIFont fontWithName:@"HelveticaNeue-Light" size:13],

                                                                                    NSForegroundColorAttributeName : [UIColor blackColor]}];
    [attributedString1 appendAttributedString:imageAttrString];
    [attributedString1 appendAttributedString:attributedString2];
    self.label.text = nil;
    self.label.attributedText = attributedString1;