diff --git a/proto/server-client_proto_files/cars.proto b/proto/server-client_proto_files/cars.proto
new file mode 100644
index 00000000000..a64d281e290
--- /dev/null
+++ b/proto/server-client_proto_files/cars.proto
@@ -0,0 +1,8 @@
+package carkot;
+
+option java_package = "client";
+option java_out_classname = "Car";
+
+message car {
+    repeated string ids = 1;
+}