How to enter text by keyboard?

I need to create a box where I can enter text by keyboard, and save it, is to enter the name of the person, I would appreciate a help, thank you!

https://www.youtube.com/watch?v=Wv5leLB_lb0&feature=youtu.be

I did not found the original tutorial made by ddabrahim or lizard-13, I hope they don’t get mad about that I made a video not using my own content :blush: :laughing: