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

> function auth_ message_ auth_ descriptors_ details(main: auth_descriptor , disposable: auth_descriptor ?): text Builds a portion of the message that will b

Source: https://docs.chromia.com/pages/ft4-rell/-f-t4-library/lib.ft4.core.accounts.strategies/auth_message_auth_descriptors_details/

FUNCTION

# auth\_message\_auth\_descriptors\_details

```signature
function auth_message_auth_descriptors_details(main: auth_descriptor, disposable: auth_descriptor?): text
```

[Source](https://gitlab.com/chromaway/ft4-lib/-/blob/development/rell/src/lib/ft4/core/accounts/strategies/auth_message.rell#lines-66)

Builds a portion of the message that will be used to authorize account registration.
This portion gives the information about the auth descriptors that will be added to the
newly created account

In a standard usage of the library, this operation would have the mount name of
`ft4.register_account`, found at `external.accounts.registration.register_account`

**Parameters**

* **main** — the `main_auth_descriptor` for the new account
* **disposable** — optionally, the disposable auth descriptor for the new account

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