# run Source: https://www.nianticspatial.com/docs/api/swift/NSDK.PlaybackSession.method-run/ run --- ## Declaration override func run(_ configuration: ARConfiguration, options: ARSession.RunOptions = []) #### Summary Starts playback. The playback loop runs asynchronously on a background queue; frames are delivered on the main queue. Configuration and options are ignored (playback uses the dataset's frame rate and content). Call pause() to stop. ### Parameters | Name | Type | Summary | | --- | --- | --- | | configuration | ARConfiguration | - | | options | ARSession.RunOptions | - | ---