# Protocols

The following protocols are available globally.

- `Activity`

A protocol through which user activities can be reported.
  
  [See more](https://building.usebutton.com/button-merchant-ios/latest/Protocols/Activity.html)

#### Declaration

- `ButtonProductCompatible`

A protocol that defines the product properties that may be provided when reporting user activity.
  
  [See more](https://building.usebutton.com/button-merchant-ios/latest/Protocols/ButtonProductCompatible.html)

#### Declaration

- `Configurable`
  
  [See more](https://building.usebutton.com/button-merchant-ios/latest/Protocols/Configurable.html)

#### Declaration