diff --git a/src/action-item.proto b/src/action-item.proto
new file mode 100644
index 0000000..6d50065
--- /dev/null
+++ b/src/action-item.proto
@@ -0,0 +1,22 @@
+message ActionItem
+{
+  enum ActionType
+  {
+    UPDATE = 0;
+    DELETE = 1;
+  }
+  required ActionType action = 3;
+
+  required string filename = 4;
+  required uint64 version = 5;
+  required uint32 timestamp = 6;
+
+  optional bytes  file_hash = 7;
+  optional uint32 atime = 8;
+  optional uint32 mtime = 9;
+  optional uint32 ctime = 10;
+  optional uint32 mode  = 11;
+
+  optional string parent_device_name = 12;
+  optional uint64 parent_seq_no = 13;
+}