diff --git a/cura/plugins/slots/dialect/v0/modify.proto b/cura/plugins/slots/dialect/v0/modify.proto
new file mode 100644
index 0000000..aee38c0
--- /dev/null
+++ b/cura/plugins/slots/dialect/v0/modify.proto
@@ -0,0 +1,15 @@
+syntax = "proto3";
+
+package cura.plugins.slots.dialect.v0.modify;
+
+service DialectModifyService {
+  rpc Call(CallRequest) returns (CallResponse) {}
+}
+
+message CallRequest {
+  string gcode_word = 1;
+}
+
+message CallResponse {
+  string gcode_word = 1;
+}