diff --git a/README.md b/README.md
index 4dba3b6..4b8c704 100644
--- a/README.md
+++ b/README.md
@@ -20,6 +20,10 @@ TO DO:
 Version Changes Control
 =======================
 
+v0.0.10 - 2020-03-08
+------------------------
+- Added know child "code" to event
+
 v0.0.9 - 2020-03-08
 ------------------------
 - Correction of event node so code is into code node.
diff --git a/event.go b/event.go
index f445c0f..3a66775 100644
--- a/event.go
+++ b/event.go
@@ -5,6 +5,8 @@ type Event NodeDef
 func NewEvent(etype string, code string) Event {
 
 	e := NewNode("event", etype)
+	e.RegisterKnownChildren([]string{"code"})
+
 	c := NewNode("code", "")
 	c.SetData(code)
 	e.AddChild(c)
diff --git a/wajaf.go b/wajaf.go
index d9c58eb..6f1ecd4 100644
--- a/wajaf.go
+++ b/wajaf.go
@@ -7,7 +7,7 @@
 package wajaf
 
 // VERSION is the used version nombre of the XCore library.
-const VERSION = "0.0.9"
+const VERSION = "0.0.10"
 
 // LOG is the flag to activate logging on the library.
 // if LOG is set to TRUE, LOG indicates to the XCore libraries to log a trace of functions called, with most important parameters.