| s | The RayTracingShader instance. |
| shaderIndex | The callable Shader index for which to retrieve the name. The callable Shaders defined in a RayTracingShader are sorted alphabetically by the Shader compiler. |
string The name of the callable Shader at the index passed using the "shaderIndex" argument.
Returns the name of a user-defined callable Shader from within a RayTracingShader.