Add-a-book-to-the-favorites-list.md

+## Add a book to the favorites list
+
+This request will add a book to the favorites list. Use *PUT* as a request type.
+(See favorite_books_request.md on how to get the list)
+
+URL: `/api/Favorite/`
+
+#### Disclaimer
+Remember to URL Encode every parameter's value!
+
+#### Parameters
+
+
+- `apikey` Find it in the `apikey` file
+- `deviceid` Parameter `DeviceId` from the login response
+- `token` Authorization token from them login response
+- `language` Required in this request, should be be `en`, `fi`, `sv` or `ru` 
+- `bibid` Required in this request, value can be originated from: search request, reservations, waiting for pickup, or if there's an string called `BibId`
+
+#### Response
+
+`
+{
+    "Status": 1,
+    "Message": "Suosikki lisätty.",
+    "ErrorMessage": "Suosikki lisätty.",
+    "Copyright": "Copyright (c) 2016-2018 Enisoft Ltd. This interface is for Enisoft's apps' private use only and other use is prohibited."
+}
+`