diff --git a/src/main/java/ch/unibas/dmi/dbis/cs108/casono/server/app/commands/check_nick/UsernameAvailability.java b/src/main/java/ch/unibas/dmi/dbis/cs108/casono/server/app/commands/check_nick/UsernameAvailability.java
new file mode 100644
index 0000000..1f176d1
--- /dev/null
+++ b/src/main/java/ch/unibas/dmi/dbis/cs108/casono/server/app/commands/check_nick/UsernameAvailability.java
@@ -0,0 +1,6 @@
+package ch.unibas.dmi.dbis.cs108.casono.server.app.commands.check_nick;
+
+public enum UsernameAvailability {
+    FREE,
+    TAKEN
+}