# How Edabit Works by Matt tags: validation, strings, language_fundamentals ## Summary > This is an introduction to how challenges on Edabit work. In the Code tab above you'll see a starter function that looks like this: > function hello() { > } > All you have to do is type return "hello edabit.com" between the curly braces { } and then click the Check button. If you did this correctly, the button will turn red and say SUBMIT FINAL. Click it and see ## Instructions This is an introduction to how challenges on Edabit work. In the **Code tab above** you'll see a starter function that looks like this: ``` function hello() { } ``` All you have to do is type `return "hello edabit.com"` between the curly braces `{ }` and then click the **Check** button. If you did this correctly, the button will turn red and say **SUBMIT FINAL**. Click it and see what happens. ### Notes - The returned string must be in **all lowercase** letters. - If you get stuck on a challenge, find help in the **Resources** tab. - If you're *really* stuck, unlock solutions in the **Solutions** tab.