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

> ftAuth(accountId: BufferId, authDescriptorId: BufferId): Operation Creates an operation object for the ft4.ft_auth operation. Parameters accountId: BufferI

Source: https://docs.chromia.com/pages/ft4-ts-client/functions/authentication.ftAuth/

Function

# ftAuth

* ```signature
  ftAuth(accountId: BufferId, authDescriptorId: BufferId): Operation
  ```

  Creates an operation object for the `ft4.ft_auth` operation.

  #### Parameters

  + accountId: BufferId

    the account id to authorize for
  + authDescriptorId: BufferId

    the auth descriptor to authorize with

  #### Returns Operation

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