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

> function multi_ sig_ auth_ descriptor(signers: list<byte_ array>, signatures_ required: integer, flags: set<text>): auth_descriptor Creates a multi-signatu

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

FUNCTION

# multi\_sig\_auth\_descriptor

```signature
function multi_sig_auth_descriptor(signers: list<byte_array>, signatures_required: integer, flags: set<text>): auth_descriptor
```

[Source](https://gitlab.com/chromaway/ft4-lib/-/blob/development/rell/src/lib/ft4/core/accounts/module.rell#lines-583)

Creates a multi-signature auth descriptor given the arguments with no expiration rules.

**Parameters**

* **signers** — The signers for the auth descriptor
* **signatures\_required** — How many signers are needed to authorize an operation
* **flags** — The flags defining the level of authorization

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