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

> function map_ auth_ descriptor_ signer(auth_ descriptor_ signer: auth_ descriptor_ signer ): (id: byte_ array, account_ auth_ descriptor_ id: byte_ array, 

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

FUNCTION

# map\_auth\_descriptor\_signer

```signature
function map_auth_descriptor_signer(auth_descriptor_signer: auth_descriptor_signer): (id: byte_array, account_auth_descriptor_id: byte_array, account_id: byte_array, account_type: text, account_auth_descriptor_auth_type: auth_type, account_auth_descriptor_args: gtv, account_auth_descriptor_rules: gtv, account_auth_descriptor_created: integer, account_auth_descriptor_ctr: integer)
```

[Source](https://gitlab.com/chromaway/ft4-lib/-/blob/development/rell/src/lib/ft4/external/accounts/mappers.rell#lines-45)

Maps the given `accounts.auth_descriptor_signer` to the desired format.

**Parameters**

* **auth\_descriptor\_signer** — - The auth descriptor signer to be mapped.

**Returns**

{MappedType} The mapped auth descriptor signer.

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