diff --git a/zvt/src/feig/constants.rs b/zvt/src/feig/constants.rs
new file mode 100644
index 0000000..62f599d
--- /dev/null
+++ b/zvt/src/feig/constants.rs
@@ -0,0 +1,6 @@
+/// Messages for Feig specific commands
+#[repr(u16)]
+pub enum CVendFunctions {
+    SystemsInfo = 1,
+    FactoryReset = 0x0255,
+}