[self.stackFormView addSection:[INSStackFormSection sectionWithBuilder:^(INSStackFormSection *sectionBuilder) {

    [sectionBuilder addItemWithBuilder:^(INSStackFormItem *builder) {
        builder.itemClass = [CustomView class];
        builder.userInteractionEnabled = NO;
        builder.height = nil; // dynamic height
        builder.configurationBlock = ^(CustomView *view) {
            view.backgroundColor = [UIColor whiteColor];
        };
    }];

    [sectionBuilder addItemWithBuilder:^(INSStackFormItem *builder) {
        builder.itemClass = [INSStackFormViewLabelElement class];
        builder.height = @50;
        builder.title = @"Title of text label";
        builder.configurationBlock = ^(INSStackFormViewLabelElement *view) {
            view.backgroundColor = [UIColor whiteColor];
            view.textLabel.textColor = [UIColor redColor];
        };
        builder.actionBlock = ^(INSStackFormViewLabelElement *view) {
            NSLog(@"ACTION");
        };
    }];

    [sectionBuilder addItemWithBuilder:^(INSStackFormItem *builder) {
        builder.itemClass = [ActionView class];
        builder.height = @50;
        builder.configurationBlock = ^(ActionView *view) {
            view.accesoryType = INSStackFormViewBaseElementAccessoryNone;
            view.titleLabel.text = @"Click Me to remove section!";
        };

        builder.actionBlock = ^(INSStackFormViewBaseElement *view) {
            NSArray *errors = nil;
            if ([weakSelf.stackFormView validateDataItems:&errors]) {
                [weakSelf.stackFormView removeSection:[weakSelf.stackFormView.sections firstObject] animated:YES completion:nil];
            } else {
                UIAlertController *alert = [UIAlertController alertControllerWithTitle:@"Error" message:[errors firstObject] preferredStyle:UIAlertControllerStyleAlert];
                [alert addAction:[UIAlertAction actionWithTitle:@"OK" style:UIAlertActionStyleCancel handler:^(UIAlertAction * _Nonnull action) {
                    [weakSelf dismissViewControllerAnimated:YES completion:nil];
                }]];
                [weakSelf presentViewController:alert animated:YES completion:nil];
            }

        };

        builder.validationBlock = ^BOOL(__kindof UIView *view, INSStackFormItem *item, NSString **errorMessage) {
            if (weakSelf.stackFormView.sections.count <= 1) {
                *errorMessage = @"Please don't delete me !!!";
                return NO;
            }
            return YES;
        };
    }];
}]];