In xDesign how to apply a material?

Following the edu space training, I have created my first solid in xDesign. Now I want to apply a material ​​​​​​​, but I`m not sure how to do that.


Eduspace ​​​​​​​Edu ​​​​​​​xDesign ​​​​​​​ 3DEXPERIENCE ​​​​​​​