diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..8b80a29
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "customer_281"]
+	path = customer_281
+	url = https://git.mimbach49.de/GerhardHoffmann/customer_281.git