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

> @mount("ft4.get_ account_ auth_ descriptor_ by_ id")
query get_ account_ auth_ descriptor_ by_ id(account_ id: byte_ array, id: byte_ array): (id: byte_ ar

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

QUERY

# get\_account\_auth\_descriptor\_by\_id

```signature
@mount("ft4.get_account_auth_descriptor_by_id")
query get_account_auth_descriptor_by_id(account_id: byte_array, id: byte_array): (id: byte_array, account_id: byte_array, auth_type: auth_type, args: gtv, rules: gtv, created: integer)
```

[Source](https://gitlab.com/chromaway/ft4-lib/-/blob/development/rell/src/lib/ft4/external/accounts/queries.rell#lines-230)

Retrieves an auth descriptor from an account.

Throws an error if no auth descriptor matches the provided arguments. Common cases include:

* the account id or auth descriptor id was not found
* the auth descriptor in question was not found on the account in question

**Parameters**

* **account\_id** — id of the account where the auth descriptor is associated
* **id** — id of the auth descriptor to fetch

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