ViroShaderModifier

ViroShaderModifier represents an individual code injection "snippet."

Property	Types	Description	Required
body	string	The actual GLSL-style code to be executed. Inside this string, you can access built-in Viro structures (like `_geometry`, `_surface`, or `_vertex`) depending on which entry point is used.	optional
uniforms	string	A string containing the declarations for any custom uniforms your body code requires (e.g., `uniform float myCustomFactor;`).	optional