static bool SetMaterialInstanceRuntimeVirtualTextureParameterValue ( [UMaterialInstanceConstant](API\Runtime\Engine\Materials\UMaterialInstanceConstant) * Instance, [FName](API\Runtime\Core\UObject\FName) ParameterName, [URuntimeVirtualTexture](API\Runtime\Engine\VT\URuntimeVirtualTexture) * Value, EMaterialParameterAssociation Association )