# Offers

- `OffersInterface`

Undocumented  
  [See more](https://building.usebutton.com/button-ios/latest/Protocols/OffersInterface.html)

#### Declaration

- `ImpressionView`

Undocumented  
  [See more](https://building.usebutton.com/button-ios/latest/Classes/ImpressionView.html)

#### Declaration

- `ViewableImpression`

Undocumented  
  [See more](https://building.usebutton.com/button-ios/latest/Classes/ViewableImpression.html)

#### Declaration

- `BTNCreativeType`

Undocumented  
  [See more](https://building.usebutton.com/button-ios/latest/Enums/BTNCreativeType.html)

#### Declaration

- `BTNVisibleRateType`

Undocumented  
  [See more](https://building.usebutton.com/button-ios/latest/Enums/BTNVisibleRateType.html)

#### Declaration