diff --git a/com/Echo.lua b/com/Echo.lua
new file mode 100644
index 0000000..684c228
--- /dev/null
+++ b/com/Echo.lua
@@ -0,0 +1,11 @@
+local s = require("internal.session")
+
+if not s.request.params.__fetched.data then
+  s.response.error = {
+    code = 123,
+    message = "params.data is missing"
+  }
+  return
+end
+
+s.response.send(s.request.params.__fetched)
\ No newline at end of file