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

> Represents a keypair that has access to an auth descriptor. entity auth_ descriptor_ signer {
 key id: byte_ array;
 key account_ auth_ descriptor: account

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

ENTITY

# auth\_descriptor\_signer

Represents a keypair that has access to an auth descriptor.

```signature
entity auth_descriptor_signer {
 key id: byte_array;
 key account_auth_descriptor: account_auth_descriptor;
}
```

`key id: byte_array;`
:   Either the pubkey or, for EVM signers, the EVM address (without `0x`)

`key account_auth_descriptor: account_auth_descriptor;`
:   the auth descriptor this signer can access

[Source](https://gitlab.com/chromaway/ft4-lib/-/blob/development/rell/src/lib/ft4/core/accounts/module.rell#lines-188)

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