diff --git a/protocol/C_CHANGE_CARD_PRESET.1.def b/protocol/C_CHANGE_CARD_PRESET.1.def
new file mode 100644
index 0000000..10bafb5
--- /dev/null
+++ b/protocol/C_CHANGE_CARD_PRESET.1.def
@@ -0,0 +1 @@
+int32 preset