Download File by filename

* Authentication required.
* Params: `from`, `filename`, `format` is ***required***.
* Optional: `is_enhanced` boolean field default is `false`, `directory` has `"rxfax", "txfax"`, default is `"txfax"`.

Notice: This service will send file to you
## CURL Example:

curl -X POST https://oim.pasifiktelekom.com.tr/en/api/fax/download/ \
-H 'Content-Type:application/json' -H 'Authorization:XXXXXXXXXXXXXXXXXXXX' \
-d '{"filename": "ef26d474-6be3-4add-8b0f-bd850ac31db4.jpg", "format": "tiff"}'

GET /en/api/fax/download/?format=api
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "code": "200",
    "message": "OK"
}