diff --git a/src/TodoStates.php b/src/TodoStates.php
new file mode 100644
index 0000000..b6ba222
--- /dev/null
+++ b/src/TodoStates.php
@@ -0,0 +1,9 @@
+<?php
+
+namespace MMK2410\MyTodoList;
+
+abstract class TodoStates
+{
+    const Todo = "Todo";
+    const Done = "Done";
+}
\ No newline at end of file