It is possible to create surfaces which are reflecting like for example a mirror. Following instruction will guide you

1. Navigate to Construction -> Materials


2. Create a colour material of your own choice

3. Advanced properties:
Select Material type Metallic
Reflection factor 90%

Reflective coating 100%

4. Apply material

Please note that the reflecting effect is not visible in the project view. But if you create a raytracing image it will work