diff --git a/src/Model/storageModel.ts b/src/Model/storageModel.ts
index 434c79bd..5371191b 100644
--- a/src/Model/storageModel.ts
+++ b/src/Model/storageModel.ts
@@ -2,6 +2,22 @@
 
 import { parse, stringify } from "../utility";
 
+// keys
+export enum storageKeys {
+    // current
+    socketAddress = "socket-address",
+
+    // settings
+    userName = "user-name",
+    firstDayOfWeek = "first-day-of-week",
+
+    // history
+    previousAddresses = "previous-addresses",
+    previousObjectCategories = "object-categories",
+    previousObjectStatuses = "object-statuses",
+    previousObjectFilters = "object-filters",
+}
+
 // basic
 export function store(key: string, value: string): void {
   localStorage.setItem(key, value);