# Android Game Development Kit - Performance Tuner Unity plugin

# Android Game Development Kit - Performance Tuner Unity plugin

These are the reference pages for the Android Game Development Kit Performance Tuner Unity plugin.

|                                                                                                                                                                                                                 ## Classes                                                                                                                                                                                                                  ||
|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| [AndroidPerformanceTuner\< TFidelity, TAnnotation \>](https://developer.android.com/games/sdk/reference/performance-tuner/unity/class/google/android/performance-tuner/android-performance-tuner-t-fidelity-t-annotation-) | The main class to instantiate to set up and run the[Android](https://developer.android.com/games/sdk/reference/performance-tuner/unity/namespace/google/android#namespace_google_1_1_android)Performance Tuner. |
| [LoadingTimeMetadata](https://developer.android.com/games/sdk/reference/performance-tuner/unity/class/google/android/performance-tuner/loading-time-metadata)                                                              | Metadata recorded with a loading time event.                                                                                                                                                                    |
| [Result\< T \>](https://developer.android.com/games/sdk/reference/performance-tuner/unity/class/google/android/performance-tuner/result-t-)                                                                                | Represents a value returned by an operation, with the associated error code.                                                                                                                                    |

|                                                                                           ## Structs                                                                                           ||
|-------------------------------------------------------------------------------------------------------------------------------------------------|-----------------------------------------------|
| [MetricLimits](https://developer.android.com/games/sdk/reference/performance-tuner/unity/struct/google/android/performance-tuner/metric-limits) | Limits on the number of metrics of each type. |