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

> function check_ required_ flags(flags: set<text>, required_ flags: list<text>): boolean Checks that the set of flags contains all the required flags, which

Source: https://docs.chromia.com/pages/ft4-rell/-f-t4-library/lib.ft4.core.accounts/check_required_flags/

FUNCTION

# check\_required\_flags

```signature
function check_required_flags(flags: set<text>, required_flags: list<text>): boolean
```

[Source](https://gitlab.com/chromaway/ft4-lib/-/blob/development/rell/src/lib/ft4/core/accounts/auth_basic.rell#lines-141)

Checks that the set of flags contains all the required flags, which means the auth
descriptor has the authorization necessary to call the operation.

**Parameters**

* **flags** — the auth descriptor flags
* **required\_flags** — the required flags

[View this page on docs.chromia.com](https://docs.chromia.com/pages/ft4-rell/-f-t4%20-library/lib.ft4.core.accounts/check_required_flags.html)Generated API reference, mirrored from the live docs