Model and Shade your Hero/Heroine - Unity 3 Game Development - page 112

Now, click Play and behold the result:
Objective Complete - Mini Debriefing
Let's take a look at what we did here.
First, we added the new property ( _BumpMap ), which will be used to get the surface normals
from our character.
Properies can be created by using the following syntax:
name ("display name", property type) = default value
F name is the name of property inside the shader script
F display name is the name that will be shown in the material inspector
F property type is the type of the property that we can use in our shader
programming, which can be Range , Color , 2D , Rect , Cube , Float , or Vector
F default value is the default value of our property