# APP_SCOPE · FT4 Rell API · Chromia Docs (concept)

> val APP_ SCOPE: text = "app" The constant that defines app level authentication scope.
If scope is omitted when defining an auth handler, then
it has 'app'

Source: https://docs.chromia.com/pages/ft4-rell/-f-t4-library/lib.ft4.core.auth/-a-p-p_-s-c-o-p-e/

PROPERTY

# APP\_SCOPE

```signature
val APP_SCOPE: text = "app"
```

[Source](https://gitlab.com/chromaway/ft4-lib/-/blob/development/rell/src/lib/ft4/core/auth/module.rell#lines-153)

The constant that defines app level authentication scope.
If scope is omitted when defining an auth handler, then
it has 'app' scope, i.e. it is used to authenticate
operations that do not have their own auth handlers if
there is no mount point auth handler for the operation.

**See Also**

* [<https://docs.chromia.com/ft4/ft4-authentication#application-scope-auth-handler>] — for more information on app scope auth handler resolution

[View this page on docs.chromia.com](https://docs.chromia.com/pages/ft4-rell/-f-t4%20-library/lib.ft4.core.auth/-a-p-p_-s-c-o-p-e.html)Generated API reference, mirrored from the live docs