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

> createFtKeyHandler(
    authDescriptor: AnyAuthDescriptor ,
    keyStore: FtKeyStore ,
): KeyHandler Creates a new instance of a KeyHandler which wraps an 

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

Function

# createFtKeyHandler

* ```signature
  createFtKeyHandler(
      authDescriptor: AnyAuthDescriptor,
      keyStore: FtKeyStore,
  ): KeyHandler
  ```

  Creates a new instance of a `KeyHandler` which wraps an Ft key.

  #### Parameters

  + authDescriptor: [AnyAuthDescriptor](https://docs.chromia.com/pages/ft4-ts-client/types/accounts.AnyAuthDescriptor/)

    the associated auth descriptor
  + keyStore: [FtKeyStore](https://docs.chromia.com/pages/ft4-ts-client/interfaces/authentication.FtKeyStore/)

    the keystore that holds the key

  #### Returns [KeyHandler](https://docs.chromia.com/pages/ft4-ts-client/interfaces/authentication.KeyHandler/)

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