# Surface (what is a surface)?

# Sentry
A surface call sentry, which then calls handler to check the action.
[bunnylol wiki sentry](https://www.internalfb.com/intern/wiki/Sentry/)
All sentry check are logged to [bunnylol orb](https://www.internalfb.com/intern/si/orb).
We are siting on [new_user_registration](https://www.internalfb.com/code/configerator/source/si/sentry/prod/facebook/new_user_registration.cconf) sentry category.

TODO: take a look at [cbgs aad_surfeces](https://www.internalfb.com/code/search?q=filepath%3Asource%2Fsi%2Fsentry%2F%20repo%3Aconfigerator_all%20aad_surfaces)

[Current production models](https://www.internalfb.com/code/configerator/source/si/fake_accounts/olf_registration_classifiers.cconf)

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