Typescript And Knockout.js

Im trying to get this code working, Im new to typescript and knockout.js I have been doing this piece of code in another way but someone told me this could be a better way to impro

Solution 1:

Ok I have found the problem, it was pretty simple, but honestly passed under my radar. The problem was in my html, the correct property to write on this input was value and not text, I was doing another tutorial where I had to bind data on a <p> tag, and that is text.