HRESULT XGameStreamingGetLastFrameDisplayed(  
         XGameStreamingClientId client,  
         D3D12XBOX_FRAME_PIPELINE_TOKEN* framePipelineToken  
)  

// In this example, when processing input, the game would like to pass along the last frame 
// that was being displayed to the player so that their simulation engine can take that into account.
 

// The framePipelineToken was initially captured at the callback of WaitFrameEventX

void Game::Update(DX::StepTimer const& timer)
{
    ...

    D3D12XBOX_FRAME_PIPELINE_TOKEN framePipelineToken = D3D12XBOX_FRAME_PIPELINE_TOKEN_NULL;
    if SUCCEEDED(XGameStreamingGetLastFrameDisplayed(clientId, &framePipelineToken)
    {
        SimulateBasedOnLastFrameDisplayed(framePipelineToken);
    }
    else 
    {
        // don't have last token, potentially simulate based on current frame

        SimulateBasedOnCurrentFrame();
    }

    
      
    ...
}