Custom FieldsRe-Envisioned › Support › MB Frontend Submission › Creating New Post Type w/ Frontend Submission › Reply To: Creating New Post Type w/ Frontend Submission November 30, 2018 at 4:34 PM #12387 Anh TranKeymaster Hi Neil, Sorry for missing this topic. The post title is inserted in the form via a shortcode attribute. It’s not a field. So it won’t available in the Builder. Please check the post_fields attribute.