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

> function map_ account_ auth_ descriptor(account_ auth_ descriptor: account_ auth_ descriptor ): (id: byte_ array, account_ id: byte_ array, account_ type: 

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

FUNCTION

# map\_account\_auth\_descriptor

```signature
function map_account_auth_descriptor(account_auth_descriptor: account_auth_descriptor): (id: byte_array, account_id: byte_array, account_type: text, auth_type: auth_type, args: gtv, rules: gtv, ctr: integer, created: integer)
```

[Source](https://gitlab.com/chromaway/ft4-lib/-/blob/development/rell/src/lib/ft4/external/accounts/mappers.rell#lines-7)

Maps an account authentication descriptor to the desired format.

**Parameters**

* **account\_auth\_descriptor** — account\_auth\_descriptor - The account authentication descriptor to be mapped.

**Returns**

{desired\_return\_type} - The mapped account authentication descriptor in the desired format.

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