diff --git a/lib/src/resources/firebase_storage_provider.dart b/lib/src/resources/firebase_storage_provider.dart
index 8d043ce..1f6eb81 100644
--- a/lib/src/resources/firebase_storage_provider.dart
+++ b/lib/src/resources/firebase_storage_provider.dart
@@ -5,18 +5,26 @@ import 'package:firebase_storage/firebase_storage.dart';
 import 'package:uuid/uuid.dart';
 
 class FirebaseStorageProvider {
-  final FirebaseStorage _storage;
+  final StorageReference _storage;
   final Uuid _uuid;
   // [FirebaseStorage] and [Uuid] instances can be injected for testing purposes.
   // Don't remove.
-  FirebaseStorageProvider([FirebaseStorage storage, Uuid uuid])
-      : _storage = storage ?? FirebaseStorage.instance,
+  FirebaseStorageProvider([StorageReference storage, Uuid uuid])
+      : _storage = storage ?? FirebaseStorage.instance.ref(),
         _uuid = uuid ?? Uuid();
 
   /// Uploads a given file to the firebase storage bucket.
   ///
   /// It returns a [StorageUploadTask] which contains the status of the upload.
-  /// The [folder] parameters allows the file to be stored at any path in the
-  /// bucket.
-  StorageUploadTask uploadFile(File file, {String folder}) {}
+  /// The [folder] parameter should not start with "/" , it allows the file to
+  /// be stored at any path in the bucket.
+  /// The [type] parameter allows you to specify the extension of the file bein
+  /// uploaded, it defaults to png.
+  StorageUploadTask uploadFile(File file,
+      {String folder, String type = 'png'}) {
+    final String fileId = _uuid.v1();
+    final StorageReference fileReference =
+        _storage.child('folder/$fileId.$type');
+    return fileReference.putFile(file);
+  }
 }