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

> isAuthOperation(operation: RellOperation | Operation): boolean Checks if the specified operation is an auth operation Parameters operation: RellOperation |

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

Function

# isAuthOperation

* ```signature
  isAuthOperation(operation: RellOperation | Operation): boolean
  ```

  Checks if the specified operation is an auth operation

  #### Parameters

  + operation: RellOperation | Operation

    the operation to check

  #### Returns boolean

  true if the operation was an auth operation, else false

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