APP_SCOPE
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