diff --git a/docs/render/echo.js b/docs/render/echo.js
new file mode 100644
index 0000000..cdc6038
--- /dev/null
+++ b/docs/render/echo.js
@@ -0,0 +1,2 @@
+console.log("params",params) 
+document.body.appendChild(document.createTextNode(params.body))
\ No newline at end of file