diff --git a/src/endorse-extension.proto b/src/endorse-extension.proto
new file mode 100644
index 0000000..5db625c
--- /dev/null
+++ b/src/endorse-extension.proto
@@ -0,0 +1,10 @@
+package Chronos;
+
+message EndorseExtensionMsg
+{
+  message EndorseEntry
+  {
+    required string name = 1;
+  }	
+  repeated EndorseEntry endorseEntry = 1;
+}
\ No newline at end of file