| Parameter | Description | 
|---|---|
| s | The RayTracingShader instance. | 
| shaderIndex | The miss Shader index for which to retrieve the ray payload size. | 
int The ray payload size in bytes.
Returns the ray payload size of a user-defined miss Shader from within a RayTracingShader.
Additional resources: ShaderUtil.GetMissShaderCount, ShaderUtil.GetMissShaderName.