I am using "Using Views shortcode to display images as a gallery" method because I am editing a Layout that acts as a template for the CPT-single pages.
Unfortunately it returns nothing for me and I cannot find out the reason.
Solution:
Types plugin will pre-pend slug "wpcf-" before field slug, so in database, the meta_key value is "wpcf-data-photo", and in [wpv-for-each] shortcode, you will need to use the real field slug "wpcf-data-photo", like this:
