---
url: /process-functions/ftp-connectwithkeyfile.md
description: >-
  Creates an FTPClient instance that can be used to interact with an ftp server
  but using a key file to connect.
---

# ftp.ConnectWithKeyFile

Creates an FTPClient instance that can be used to interact with an ftp server but using a key file to connect.

```js
let client = ftp.ConnectWithKeyFile(protocol, host, port, username, keyFile);
```

#### Parameters

* `protocol` - The ftp protocol for this connecton. At the moment, only `sftp` is supported.
* `host` - The ftp host like a domain name or an ip address.
* `port` - The port to use on the ftp connection.
* `username` - The username to use.
* `keyFile` - A key file.

#### Example

```js
let client = ftp.ConnectWithKeyFile(
    "sftp", 
    "example.domain.com", 
    22, 
    "brad", 
    "/path/to/key_file"
);
```