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

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

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

QUERY

# get\_account\_auth\_descriptors\_by\_signer

```signature
@mount("ft4.get_account_auth_descriptors_by_signer")
query get_account_auth_descriptors_by_signer(account_id: byte_array, signer: byte_array): list<(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-216)

Returns all the auth descriptors associated with a specific account for which
the provided pubkey is a signer. Either as a single signer or as part of a
multisig auth descriptor.

Returns an empty list if no auth descriptors match

**Parameters**

* **account\_id** — id of the account to get auth descriptors for
* **signer** — pubkey of the signer for which to fetch auth descriptors

[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_descriptors_by_signer.html)Generated API reference, mirrored from the live docs