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

> function _ get_ evm_ signatures(evm_ signatures_ op: gtx_ operation): (signers: list<byte_ array>, signatures: list< signature >) Retrieves the signers and

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

FUNCTION

# \_get\_evm\_signatures

```signature
function _get_evm_signatures(evm_signatures_op: gtx_operation): (signers: list<byte_array>, signatures: list<signature>)
```

[Source](https://gitlab.com/chromaway/ft4-lib/-/blob/development/rell/src/lib/ft4/core/auth/authentication.rell#lines-732)

Retrieves the signers and signatures from the `evm_signatures` operation.

Throws `"MISMATCHED SIGNATURES"` if the length of the two lists is mismatched
in the `evm_signatures` operation.

Throws `"NULL EVM SIGNATURE"` if any signature is null.

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