need to prefill logined user details like last name first

How to get logined user's articles ? logined Problem Description cannot set photo in profile which is logined in clone whatsapp and shows white screen and when minimise the app and enter again in app logined See 20 of the best free to download photos, images, and wallpapers by my logined on Unsplash

logined Now I want to populate logined user details like First Name, Last Name, Phone, Zip into Contour form automatically So User need to fill only