# Protocols

The following protocols are available globally.

### Test Information

- `ApptimizeTestInfo`

  Information about a single A/B test or feature flag this device is enrolled in.

  See more

  #### Declaration

  Objective-C

      @protocol ApptimizeTestInfo <NSObject>

  Swift

      protocol ApptimizeTestInfo : NSObjectProtocol

### Winning Test Information

- `ApptimizeInstantUpdateOrWinnerInfo`

  Information about a single winning A/B test or instant update this device will display.

  See more

  #### Declaration

  Objective-C

      @protocol ApptimizeInstantUpdateOrWinnerInfo <NSObject>

  Swift

      protocol ApptimizeInstantUpdateOrWinnerInfo : NSObjectProtocol

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