Can I associate a custom post type with another custom post type?
Yes, you can. You would need to add a custom field that would store the ID of other post type. I would recommend using a select list. You could try something along these lines: add_action( ‘add_meta_boxes’, ‘wpse_143600_add_box’ ); add_action( ‘save_post’, ‘143600_save_box’ ); //create the metabox function wpse_143600_add_box() { add_meta_box( ‘related_testimonial’, __( ‘Testimonails’, ‘wpse_143600_translation’ ), ‘wpse_143600_testimonial_box’, … Read more