2. Take a look to the right, where it says Materials. Click on one of the colors. [Picture below explains vetter than me]
3. A new window will appear. Click on the "section" called Gradient, instead of Color. The window will change, and now you have to click on the little arrow (explaination on the picture below. Follow the purple marks, and I've also written numbers so you know what to do first and second and so on). Choose whatever Gradient you'd like to use. I've chosen the Multi-Blue
4. When you've done this, click OK. Afterwards, fill the dokument you opened by using the Flode Fill Tool, which looks like this: . And that is it. Here is how my gradient turned out!
. And that is it. Here is how my gradient turned out! 
