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

> @mount("ft4.get_ auth_ descriptor_ counter")
query get_ auth_ descriptor_ counter(account_ id: byte_ array, auth_ descriptor_ id: byte_ array): integer? Re

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

QUERY

# get\_auth\_descriptor\_counter

```signature
@mount("ft4.get_auth_descriptor_counter")
query get_auth_descriptor_counter(account_id: byte_array, auth_descriptor_id: byte_array): integer?
```

[Source](https://gitlab.com/chromaway/ft4-lib/-/blob/development/rell/src/lib/ft4/external/accounts/queries.rell#lines-326)

Retrieves the current counter value of an auth descriptor.

**Parameters**

* **account\_id** — account which the auth descriptor is associated
* **auth\_descriptor\_id** — id of the auth descriptor to get counter value for

**See Also**

* `accounts.account_auth_descriptor` — for more information about this value

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