property PrivateKeyName: string;
Specifies private key name that is stored in KeyStorage.
If the authentication by key is used, the user must have his pair of keys. The public key should be transferred to the server, while the private key will be used by the client to sign data, that will be used by server to authenticate the user.
Note: If PrivateKeyName is not specified, the key will be searched by the name in User.