How to change the float value inside the shader file with a c# script?

I know that to change the value of the UI text is
textName.text = "A number of value"

But in this situation I want to change the value of the float inside the shader file instead of the UI text.
But I don't know what code can do this function.
For example, I want to change this float value. What should I write in the c# script?

Please answer me the CODE instead of concept! As I really know the concept.
Tutorial videos are also welcome.

 

If you're using ShaderGraph, you create a property in the blackboard and give it a name. Then you set the value through a Material using that shader:

Code (CSharp):

1. Material myMaterial;
2. float someValue;
3.  
4. myMaterial.SetFloat("MyPropertyName", someValue);

I'm not sure what framework you're using from your screenshot, but most likely the principle is the same. You set a named property value through the material using the SetXXX methods, depending on the type of the property.

 

Thanks, I'll try it.