# evmSignatures · FT4 TypeScript client · Chromia Docs (concept)

> evmSignatures(signers: BufferId[], signatures: ( Signature | null)[]): Operation Creates an evm_signatures operation from the specified information Paramet

Source: https://docs.chromia.com/pages/ft4-ts-client/functions/transaction-builder.evmSignatures/

Function

# evmSignatures

* ```signature
  evmSignatures(signers: BufferId[], signatures: (Signature | null)[]): Operation
  ```

  Creates an `evm_signatures` operation from the specified information

  #### Parameters

  + signers: BufferId[]

    the signers to include
  + signatures: ([Signature](https://docs.chromia.com/pages/ft4-ts-client/types/authentication.Signature/) | null)[]

    the signatures to include

  #### Returns Operation

[View this page on docs.chromia.com](https://docs.chromia.com/pages/ft4-ts-client/functions/transaction-builder.evmSignatures.html)Generated API reference, mirrored from the live docs