diff --git a/buildSrc/src/main/kotlin/kotlinx/html/generate/attributes.kt b/buildSrc/src/main/kotlin/kotlinx/html/generate/attributes.kt
index 5a479975..d6041486 100644
--- a/buildSrc/src/main/kotlin/kotlinx/html/generate/attributes.kt
+++ b/buildSrc/src/main/kotlin/kotlinx/html/generate/attributes.kt
@@ -48,9 +48,10 @@ fun Appendable.facade(facade: AttributeFacade) {
 }
 
 fun Appendable.eventProperty(parent: String, attribute: AttributeInfo) {
+    val type = "(org.w3c.dom.events.Event) -> Unit"
     variable(receiver = parent, variable = Var(
             name = attribute.fieldName + "Function",
-            type = "(Event) -> Unit",
+            type = type,
             mutable = true
     ))
     emptyLine()
@@ -64,7 +65,7 @@ fun Appendable.eventProperty(parent: String, attribute: AttributeInfo) {
         functionCall("onTagEvent", listOf(
                 "this",
                 attribute.name.quote(),
-                "newValue"
+                "newValue.unsafeCast<(Event) -> Unit>()"
         ))
     }
     emptyLine()
diff --git a/src/jsMain/kotlin/generated/gen-event-attrs-js.kt b/src/jsMain/kotlin/generated/gen-event-attrs-js.kt
index a1d7385b..cfa3cd65 100644
--- a/src/jsMain/kotlin/generated/gen-event-attrs-js.kt
+++ b/src/jsMain/kotlin/generated/gen-event-attrs-js.kt
@@ -8,251 +8,251 @@ import kotlinx.html.org.w3c.dom.events.Event
     This file was generated by module generate
 *******************************************************************************/
 
-var CommonAttributeGroupFacade.onAbortFunction : (Event) -> Unit
+var CommonAttributeGroupFacade.onAbortFunction : (org.w3c.dom.events.Event) -> Unit
     get()  = throw UnsupportedOperationException("You can't read variable onAbort")
-    set(newValue) {consumer.onTagEvent(this, "onabort", newValue)}
+    set(newValue) {consumer.onTagEvent(this, "onabort", newValue.unsafeCast<(Event) -> Unit>())}
 
-var CommonAttributeGroupFacade.onBlurFunction : (Event) -> Unit
+var CommonAttributeGroupFacade.onBlurFunction : (org.w3c.dom.events.Event) -> Unit
     get()  = throw UnsupportedOperationException("You can't read variable onBlur")
-    set(newValue) {consumer.onTagEvent(this, "onblur", newValue)}
+    set(newValue) {consumer.onTagEvent(this, "onblur", newValue.unsafeCast<(Event) -> Unit>())}
 
-var CommonAttributeGroupFacade.onCanPlayFunction : (Event) -> Unit
+var CommonAttributeGroupFacade.onCanPlayFunction : (org.w3c.dom.events.Event) -> Unit
     get()  = throw UnsupportedOperationException("You can't read variable onCanPlay")
-    set(newValue) {consumer.onTagEvent(this, "oncanplay", newValue)}
+    set(newValue) {consumer.onTagEvent(this, "oncanplay", newValue.unsafeCast<(Event) -> Unit>())}
 
-var CommonAttributeGroupFacade.onCanPlayThroughFunction : (Event) -> Unit
+var CommonAttributeGroupFacade.onCanPlayThroughFunction : (org.w3c.dom.events.Event) -> Unit
     get()  = throw UnsupportedOperationException("You can't read variable onCanPlayThrough")
-    set(newValue) {consumer.onTagEvent(this, "oncanplaythrough", newValue)}
+    set(newValue) {consumer.onTagEvent(this, "oncanplaythrough", newValue.unsafeCast<(Event) -> Unit>())}
 
-var CommonAttributeGroupFacade.onChangeFunction : (Event) -> Unit
+var CommonAttributeGroupFacade.onChangeFunction : (org.w3c.dom.events.Event) -> Unit
     get()  = throw UnsupportedOperationException("You can't read variable onChange")
-    set(newValue) {consumer.onTagEvent(this, "onchange", newValue)}
+    set(newValue) {consumer.onTagEvent(this, "onchange", newValue.unsafeCast<(Event) -> Unit>())}
 
-var CommonAttributeGroupFacade.onClickFunction : (Event) -> Unit
+var CommonAttributeGroupFacade.onClickFunction : (org.w3c.dom.events.Event) -> Unit
     get()  = throw UnsupportedOperationException("You can't read variable onClick")
-    set(newValue) {consumer.onTagEvent(this, "onclick", newValue)}
+    set(newValue) {consumer.onTagEvent(this, "onclick", newValue.unsafeCast<(Event) -> Unit>())}
 
-var CommonAttributeGroupFacade.onContextMenuFunction : (Event) -> Unit
+var CommonAttributeGroupFacade.onContextMenuFunction : (org.w3c.dom.events.Event) -> Unit
     get()  = throw UnsupportedOperationException("You can't read variable onContextMenu")
-    set(newValue) {consumer.onTagEvent(this, "oncontextmenu", newValue)}
+    set(newValue) {consumer.onTagEvent(this, "oncontextmenu", newValue.unsafeCast<(Event) -> Unit>())}
 
-var CommonAttributeGroupFacade.onDoubleClickFunction : (Event) -> Unit
+var CommonAttributeGroupFacade.onDoubleClickFunction : (org.w3c.dom.events.Event) -> Unit
     get()  = throw UnsupportedOperationException("You can't read variable onDoubleClick")
-    set(newValue) {consumer.onTagEvent(this, "ondblclick", newValue)}
+    set(newValue) {consumer.onTagEvent(this, "ondblclick", newValue.unsafeCast<(Event) -> Unit>())}
 
-var CommonAttributeGroupFacade.onDragFunction : (Event) -> Unit
+var CommonAttributeGroupFacade.onDragFunction : (org.w3c.dom.events.Event) -> Unit
     get()  = throw UnsupportedOperationException("You can't read variable onDrag")
-    set(newValue) {consumer.onTagEvent(this, "ondrag", newValue)}
+    set(newValue) {consumer.onTagEvent(this, "ondrag", newValue.unsafeCast<(Event) -> Unit>())}
 
-var CommonAttributeGroupFacade.onDragEndFunction : (Event) -> Unit
+var CommonAttributeGroupFacade.onDragEndFunction : (org.w3c.dom.events.Event) -> Unit
     get()  = throw UnsupportedOperationException("You can't read variable onDragEnd")
-    set(newValue) {consumer.onTagEvent(this, "ondragend", newValue)}
+    set(newValue) {consumer.onTagEvent(this, "ondragend", newValue.unsafeCast<(Event) -> Unit>())}
 
-var CommonAttributeGroupFacade.onDragEnterFunction : (Event) -> Unit
+var CommonAttributeGroupFacade.onDragEnterFunction : (org.w3c.dom.events.Event) -> Unit
     get()  = throw UnsupportedOperationException("You can't read variable onDragEnter")
-    set(newValue) {consumer.onTagEvent(this, "ondragenter", newValue)}
+    set(newValue) {consumer.onTagEvent(this, "ondragenter", newValue.unsafeCast<(Event) -> Unit>())}
 
-var CommonAttributeGroupFacade.onDragLeaveFunction : (Event) -> Unit
+var CommonAttributeGroupFacade.onDragLeaveFunction : (org.w3c.dom.events.Event) -> Unit
     get()  = throw UnsupportedOperationException("You can't read variable onDragLeave")
-    set(newValue) {consumer.onTagEvent(this, "ondragleave", newValue)}
+    set(newValue) {consumer.onTagEvent(this, "ondragleave", newValue.unsafeCast<(Event) -> Unit>())}
 
-var CommonAttributeGroupFacade.onDragOverFunction : (Event) -> Unit
+var CommonAttributeGroupFacade.onDragOverFunction : (org.w3c.dom.events.Event) -> Unit
     get()  = throw UnsupportedOperationException("You can't read variable onDragOver")
-    set(newValue) {consumer.onTagEvent(this, "ondragover", newValue)}
+    set(newValue) {consumer.onTagEvent(this, "ondragover", newValue.unsafeCast<(Event) -> Unit>())}
 
-var CommonAttributeGroupFacade.onDragStartFunction : (Event) -> Unit
+var CommonAttributeGroupFacade.onDragStartFunction : (org.w3c.dom.events.Event) -> Unit
     get()  = throw UnsupportedOperationException("You can't read variable onDragStart")
-    set(newValue) {consumer.onTagEvent(this, "ondragstart", newValue)}
+    set(newValue) {consumer.onTagEvent(this, "ondragstart", newValue.unsafeCast<(Event) -> Unit>())}
 
-var CommonAttributeGroupFacade.onDropFunction : (Event) -> Unit
+var CommonAttributeGroupFacade.onDropFunction : (org.w3c.dom.events.Event) -> Unit
     get()  = throw UnsupportedOperationException("You can't read variable onDrop")
-    set(newValue) {consumer.onTagEvent(this, "ondrop", newValue)}
+    set(newValue) {consumer.onTagEvent(this, "ondrop", newValue.unsafeCast<(Event) -> Unit>())}
 
-var CommonAttributeGroupFacade.onDurationChangeFunction : (Event) -> Unit
+var CommonAttributeGroupFacade.onDurationChangeFunction : (org.w3c.dom.events.Event) -> Unit
     get()  = throw UnsupportedOperationException("You can't read variable onDurationChange")
-    set(newValue) {consumer.onTagEvent(this, "ondurationchange", newValue)}
+    set(newValue) {consumer.onTagEvent(this, "ondurationchange", newValue.unsafeCast<(Event) -> Unit>())}
 
-var CommonAttributeGroupFacade.onEmptiedFunction : (Event) -> Unit
+var CommonAttributeGroupFacade.onEmptiedFunction : (org.w3c.dom.events.Event) -> Unit
     get()  = throw UnsupportedOperationException("You can't read variable onEmptied")
-    set(newValue) {consumer.onTagEvent(this, "onemptied", newValue)}
+    set(newValue) {consumer.onTagEvent(this, "onemptied", newValue.unsafeCast<(Event) -> Unit>())}
 
-var CommonAttributeGroupFacade.onEndedFunction : (Event) -> Unit
+var CommonAttributeGroupFacade.onEndedFunction : (org.w3c.dom.events.Event) -> Unit
     get()  = throw UnsupportedOperationException("You can't read variable onEnded")
-    set(newValue) {consumer.onTagEvent(this, "onended", newValue)}
+    set(newValue) {consumer.onTagEvent(this, "onended", newValue.unsafeCast<(Event) -> Unit>())}
 
-var CommonAttributeGroupFacade.onErrorFunction : (Event) -> Unit
+var CommonAttributeGroupFacade.onErrorFunction : (org.w3c.dom.events.Event) -> Unit
     get()  = throw UnsupportedOperationException("You can't read variable onError")
-    set(newValue) {consumer.onTagEvent(this, "onerror", newValue)}
+    set(newValue) {consumer.onTagEvent(this, "onerror", newValue.unsafeCast<(Event) -> Unit>())}
 
-var CommonAttributeGroupFacade.onFocusFunction : (Event) -> Unit
+var CommonAttributeGroupFacade.onFocusFunction : (org.w3c.dom.events.Event) -> Unit
     get()  = throw UnsupportedOperationException("You can't read variable onFocus")
-    set(newValue) {consumer.onTagEvent(this, "onfocus", newValue)}
+    set(newValue) {consumer.onTagEvent(this, "onfocus", newValue.unsafeCast<(Event) -> Unit>())}
 
-var CommonAttributeGroupFacade.onFocusInFunction : (Event) -> Unit
+var CommonAttributeGroupFacade.onFocusInFunction : (org.w3c.dom.events.Event) -> Unit
     get()  = throw UnsupportedOperationException("You can't read variable onFocusIn")
-    set(newValue) {consumer.onTagEvent(this, "onfocusin", newValue)}
+    set(newValue) {consumer.onTagEvent(this, "onfocusin", newValue.unsafeCast<(Event) -> Unit>())}
 
-var CommonAttributeGroupFacade.onFocusOutFunction : (Event) -> Unit
+var CommonAttributeGroupFacade.onFocusOutFunction : (org.w3c.dom.events.Event) -> Unit
     get()  = throw UnsupportedOperationException("You can't read variable onFocusOut")
-    set(newValue) {consumer.onTagEvent(this, "onfocusout", newValue)}
+    set(newValue) {consumer.onTagEvent(this, "onfocusout", newValue.unsafeCast<(Event) -> Unit>())}
 
-var CommonAttributeGroupFacade.onFormChangeFunction : (Event) -> Unit
+var CommonAttributeGroupFacade.onFormChangeFunction : (org.w3c.dom.events.Event) -> Unit
     get()  = throw UnsupportedOperationException("You can't read variable onFormChange")
-    set(newValue) {consumer.onTagEvent(this, "onformchange", newValue)}
+    set(newValue) {consumer.onTagEvent(this, "onformchange", newValue.unsafeCast<(Event) -> Unit>())}
 
-var CommonAttributeGroupFacade.onFormInputFunction : (Event) -> Unit
+var CommonAttributeGroupFacade.onFormInputFunction : (org.w3c.dom.events.Event) -> Unit
     get()  = throw UnsupportedOperationException("You can't read variable onFormInput")
-    set(newValue) {consumer.onTagEvent(this, "onforminput", newValue)}
+    set(newValue) {consumer.onTagEvent(this, "onforminput", newValue.unsafeCast<(Event) -> Unit>())}
 
-var CommonAttributeGroupFacade.onInputFunction : (Event) -> Unit
+var CommonAttributeGroupFacade.onInputFunction : (org.w3c.dom.events.Event) -> Unit
     get()  = throw UnsupportedOperationException("You can't read variable onInput")
-    set(newValue) {consumer.onTagEvent(this, "oninput", newValue)}
+    set(newValue) {consumer.onTagEvent(this, "oninput", newValue.unsafeCast<(Event) -> Unit>())}
 
-var CommonAttributeGroupFacade.onInvalidFunction : (Event) -> Unit
+var CommonAttributeGroupFacade.onInvalidFunction : (org.w3c.dom.events.Event) -> Unit
     get()  = throw UnsupportedOperationException("You can't read variable onInvalid")
-    set(newValue) {consumer.onTagEvent(this, "oninvalid", newValue)}
+    set(newValue) {consumer.onTagEvent(this, "oninvalid", newValue.unsafeCast<(Event) -> Unit>())}
 
-var CommonAttributeGroupFacade.onKeyDownFunction : (Event) -> Unit
+var CommonAttributeGroupFacade.onKeyDownFunction : (org.w3c.dom.events.Event) -> Unit
     get()  = throw UnsupportedOperationException("You can't read variable onKeyDown")
-    set(newValue) {consumer.onTagEvent(this, "onkeydown", newValue)}
+    set(newValue) {consumer.onTagEvent(this, "onkeydown", newValue.unsafeCast<(Event) -> Unit>())}
 
-var CommonAttributeGroupFacade.onKeyPressFunction : (Event) -> Unit
+var CommonAttributeGroupFacade.onKeyPressFunction : (org.w3c.dom.events.Event) -> Unit
     get()  = throw UnsupportedOperationException("You can't read variable onKeyPress")
-    set(newValue) {consumer.onTagEvent(this, "onkeypress", newValue)}
+    set(newValue) {consumer.onTagEvent(this, "onkeypress", newValue.unsafeCast<(Event) -> Unit>())}
 
-var CommonAttributeGroupFacade.onKeyUpFunction : (Event) -> Unit
+var CommonAttributeGroupFacade.onKeyUpFunction : (org.w3c.dom.events.Event) -> Unit
     get()  = throw UnsupportedOperationException("You can't read variable onKeyUp")
-    set(newValue) {consumer.onTagEvent(this, "onkeyup", newValue)}
+    set(newValue) {consumer.onTagEvent(this, "onkeyup", newValue.unsafeCast<(Event) -> Unit>())}
 
-var CommonAttributeGroupFacade.onLoadFunction : (Event) -> Unit
+var CommonAttributeGroupFacade.onLoadFunction : (org.w3c.dom.events.Event) -> Unit
     get()  = throw UnsupportedOperationException("You can't read variable onLoad")
-    set(newValue) {consumer.onTagEvent(this, "onload", newValue)}
+    set(newValue) {consumer.onTagEvent(this, "onload", newValue.unsafeCast<(Event) -> Unit>())}
 
-var CommonAttributeGroupFacade.onLoadedDataFunction : (Event) -> Unit
+var CommonAttributeGroupFacade.onLoadedDataFunction : (org.w3c.dom.events.Event) -> Unit
     get()  = throw UnsupportedOperationException("You can't read variable onLoadedData")
-    set(newValue) {consumer.onTagEvent(this, "onloadeddata", newValue)}
+    set(newValue) {consumer.onTagEvent(this, "onloadeddata", newValue.unsafeCast<(Event) -> Unit>())}
 
-var CommonAttributeGroupFacade.onLoadedMetaDataFunction : (Event) -> Unit
+var CommonAttributeGroupFacade.onLoadedMetaDataFunction : (org.w3c.dom.events.Event) -> Unit
     get()  = throw UnsupportedOperationException("You can't read variable onLoadedMetaData")
-    set(newValue) {consumer.onTagEvent(this, "onloadedmetadata", newValue)}
+    set(newValue) {consumer.onTagEvent(this, "onloadedmetadata", newValue.unsafeCast<(Event) -> Unit>())}
 
-var CommonAttributeGroupFacade.onLoadStartFunction : (Event) -> Unit
+var CommonAttributeGroupFacade.onLoadStartFunction : (org.w3c.dom.events.Event) -> Unit
     get()  = throw UnsupportedOperationException("You can't read variable onLoadStart")
-    set(newValue) {consumer.onTagEvent(this, "onloadstart", newValue)}
+    set(newValue) {consumer.onTagEvent(this, "onloadstart", newValue.unsafeCast<(Event) -> Unit>())}
 
-var CommonAttributeGroupFacade.onMouseDownFunction : (Event) -> Unit
+var CommonAttributeGroupFacade.onMouseDownFunction : (org.w3c.dom.events.Event) -> Unit
     get()  = throw UnsupportedOperationException("You can't read variable onMouseDown")
-    set(newValue) {consumer.onTagEvent(this, "onmousedown", newValue)}
+    set(newValue) {consumer.onTagEvent(this, "onmousedown", newValue.unsafeCast<(Event) -> Unit>())}
 
-var CommonAttributeGroupFacade.onMouseMoveFunction : (Event) -> Unit
+var CommonAttributeGroupFacade.onMouseMoveFunction : (org.w3c.dom.events.Event) -> Unit
     get()  = throw UnsupportedOperationException("You can't read variable onMouseMove")
-    set(newValue) {consumer.onTagEvent(this, "onmousemove", newValue)}
+    set(newValue) {consumer.onTagEvent(this, "onmousemove", newValue.unsafeCast<(Event) -> Unit>())}
 
-var CommonAttributeGroupFacade.onMouseOutFunction : (Event) -> Unit
+var CommonAttributeGroupFacade.onMouseOutFunction : (org.w3c.dom.events.Event) -> Unit
     get()  = throw UnsupportedOperationException("You can't read variable onMouseOut")
-    set(newValue) {consumer.onTagEvent(this, "onmouseout", newValue)}
+    set(newValue) {consumer.onTagEvent(this, "onmouseout", newValue.unsafeCast<(Event) -> Unit>())}
 
-var CommonAttributeGroupFacade.onMouseOverFunction : (Event) -> Unit
+var CommonAttributeGroupFacade.onMouseOverFunction : (org.w3c.dom.events.Event) -> Unit
     get()  = throw UnsupportedOperationException("You can't read variable onMouseOver")
-    set(newValue) {consumer.onTagEvent(this, "onmouseover", newValue)}
+    set(newValue) {consumer.onTagEvent(this, "onmouseover", newValue.unsafeCast<(Event) -> Unit>())}
 
-var CommonAttributeGroupFacade.onMouseUpFunction : (Event) -> Unit
+var CommonAttributeGroupFacade.onMouseUpFunction : (org.w3c.dom.events.Event) -> Unit
     get()  = throw UnsupportedOperationException("You can't read variable onMouseUp")
-    set(newValue) {consumer.onTagEvent(this, "onmouseup", newValue)}
+    set(newValue) {consumer.onTagEvent(this, "onmouseup", newValue.unsafeCast<(Event) -> Unit>())}
 
-var CommonAttributeGroupFacade.onMouseWheelFunction : (Event) -> Unit
+var CommonAttributeGroupFacade.onMouseWheelFunction : (org.w3c.dom.events.Event) -> Unit
     get()  = throw UnsupportedOperationException("You can't read variable onMouseWheel")
-    set(newValue) {consumer.onTagEvent(this, "onmousewheel", newValue)}
+    set(newValue) {consumer.onTagEvent(this, "onmousewheel", newValue.unsafeCast<(Event) -> Unit>())}
 
-var CommonAttributeGroupFacade.onPauseFunction : (Event) -> Unit
+var CommonAttributeGroupFacade.onPauseFunction : (org.w3c.dom.events.Event) -> Unit
     get()  = throw UnsupportedOperationException("You can't read variable onPause")
-    set(newValue) {consumer.onTagEvent(this, "onpause", newValue)}
+    set(newValue) {consumer.onTagEvent(this, "onpause", newValue.unsafeCast<(Event) -> Unit>())}
 
-var CommonAttributeGroupFacade.onPlayFunction : (Event) -> Unit
+var CommonAttributeGroupFacade.onPlayFunction : (org.w3c.dom.events.Event) -> Unit
     get()  = throw UnsupportedOperationException("You can't read variable onPlay")
-    set(newValue) {consumer.onTagEvent(this, "onplay", newValue)}
+    set(newValue) {consumer.onTagEvent(this, "onplay", newValue.unsafeCast<(Event) -> Unit>())}
 
-var CommonAttributeGroupFacade.onPlayingFunction : (Event) -> Unit
+var CommonAttributeGroupFacade.onPlayingFunction : (org.w3c.dom.events.Event) -> Unit
     get()  = throw UnsupportedOperationException("You can't read variable onPlaying")
-    set(newValue) {consumer.onTagEvent(this, "onplaying", newValue)}
+    set(newValue) {consumer.onTagEvent(this, "onplaying", newValue.unsafeCast<(Event) -> Unit>())}
 
-var CommonAttributeGroupFacade.onProgressFunction : (Event) -> Unit
+var CommonAttributeGroupFacade.onProgressFunction : (org.w3c.dom.events.Event) -> Unit
     get()  = throw UnsupportedOperationException("You can't read variable onProgress")
-    set(newValue) {consumer.onTagEvent(this, "onprogress", newValue)}
+    set(newValue) {consumer.onTagEvent(this, "onprogress", newValue.unsafeCast<(Event) -> Unit>())}
 
-var CommonAttributeGroupFacade.onRateChangeFunction : (Event) -> Unit
+var CommonAttributeGroupFacade.onRateChangeFunction : (org.w3c.dom.events.Event) -> Unit
     get()  = throw UnsupportedOperationException("You can't read variable onRateChange")
-    set(newValue) {consumer.onTagEvent(this, "onratechange", newValue)}
+    set(newValue) {consumer.onTagEvent(this, "onratechange", newValue.unsafeCast<(Event) -> Unit>())}
 
-var CommonAttributeGroupFacade.onReadyStateChangeFunction : (Event) -> Unit
+var CommonAttributeGroupFacade.onReadyStateChangeFunction : (org.w3c.dom.events.Event) -> Unit
     get()  = throw UnsupportedOperationException("You can't read variable onReadyStateChange")
-    set(newValue) {consumer.onTagEvent(this, "onreadystatechange", newValue)}
+    set(newValue) {consumer.onTagEvent(this, "onreadystatechange", newValue.unsafeCast<(Event) -> Unit>())}
 
-var CommonAttributeGroupFacade.onScrollFunction : (Event) -> Unit
+var CommonAttributeGroupFacade.onScrollFunction : (org.w3c.dom.events.Event) -> Unit
     get()  = throw UnsupportedOperationException("You can't read variable onScroll")
-    set(newValue) {consumer.onTagEvent(this, "onscroll", newValue)}
+    set(newValue) {consumer.onTagEvent(this, "onscroll", newValue.unsafeCast<(Event) -> Unit>())}
 
-var CommonAttributeGroupFacade.onSearchFunction : (Event) -> Unit
+var CommonAttributeGroupFacade.onSearchFunction : (org.w3c.dom.events.Event) -> Unit
     get()  = throw UnsupportedOperationException("You can't read variable onSearch")
-    set(newValue) {consumer.onTagEvent(this, "onsearch", newValue)}
+    set(newValue) {consumer.onTagEvent(this, "onsearch", newValue.unsafeCast<(Event) -> Unit>())}
 
-var CommonAttributeGroupFacade.onSeekedFunction : (Event) -> Unit
+var CommonAttributeGroupFacade.onSeekedFunction : (org.w3c.dom.events.Event) -> Unit
     get()  = throw UnsupportedOperationException("You can't read variable onSeeked")
-    set(newValue) {consumer.onTagEvent(this, "onseeked", newValue)}
+    set(newValue) {consumer.onTagEvent(this, "onseeked", newValue.unsafeCast<(Event) -> Unit>())}
 
-var CommonAttributeGroupFacade.onSeekingFunction : (Event) -> Unit
+var CommonAttributeGroupFacade.onSeekingFunction : (org.w3c.dom.events.Event) -> Unit
     get()  = throw UnsupportedOperationException("You can't read variable onSeeking")
-    set(newValue) {consumer.onTagEvent(this, "onseeking", newValue)}
+    set(newValue) {consumer.onTagEvent(this, "onseeking", newValue.unsafeCast<(Event) -> Unit>())}
 
-var CommonAttributeGroupFacade.onSelectFunction : (Event) -> Unit
+var CommonAttributeGroupFacade.onSelectFunction : (org.w3c.dom.events.Event) -> Unit
     get()  = throw UnsupportedOperationException("You can't read variable onSelect")
-    set(newValue) {consumer.onTagEvent(this, "onselect", newValue)}
+    set(newValue) {consumer.onTagEvent(this, "onselect", newValue.unsafeCast<(Event) -> Unit>())}
 
-var CommonAttributeGroupFacade.onShowFunction : (Event) -> Unit
+var CommonAttributeGroupFacade.onShowFunction : (org.w3c.dom.events.Event) -> Unit
     get()  = throw UnsupportedOperationException("You can't read variable onShow")
-    set(newValue) {consumer.onTagEvent(this, "onshow", newValue)}
+    set(newValue) {consumer.onTagEvent(this, "onshow", newValue.unsafeCast<(Event) -> Unit>())}
 
-var CommonAttributeGroupFacade.onStalledFunction : (Event) -> Unit
+var CommonAttributeGroupFacade.onStalledFunction : (org.w3c.dom.events.Event) -> Unit
     get()  = throw UnsupportedOperationException("You can't read variable onStalled")
-    set(newValue) {consumer.onTagEvent(this, "onstalled", newValue)}
+    set(newValue) {consumer.onTagEvent(this, "onstalled", newValue.unsafeCast<(Event) -> Unit>())}
 
-var CommonAttributeGroupFacade.onSubmitFunction : (Event) -> Unit
+var CommonAttributeGroupFacade.onSubmitFunction : (org.w3c.dom.events.Event) -> Unit
     get()  = throw UnsupportedOperationException("You can't read variable onSubmit")
-    set(newValue) {consumer.onTagEvent(this, "onsubmit", newValue)}
+    set(newValue) {consumer.onTagEvent(this, "onsubmit", newValue.unsafeCast<(Event) -> Unit>())}
 
-var CommonAttributeGroupFacade.onSuspendFunction : (Event) -> Unit
+var CommonAttributeGroupFacade.onSuspendFunction : (org.w3c.dom.events.Event) -> Unit
     get()  = throw UnsupportedOperationException("You can't read variable onSuspend")
-    set(newValue) {consumer.onTagEvent(this, "onsuspend", newValue)}
+    set(newValue) {consumer.onTagEvent(this, "onsuspend", newValue.unsafeCast<(Event) -> Unit>())}
 
-var CommonAttributeGroupFacade.onTimeUpdateFunction : (Event) -> Unit
+var CommonAttributeGroupFacade.onTimeUpdateFunction : (org.w3c.dom.events.Event) -> Unit
     get()  = throw UnsupportedOperationException("You can't read variable onTimeUpdate")
-    set(newValue) {consumer.onTagEvent(this, "ontimeupdate", newValue)}
+    set(newValue) {consumer.onTagEvent(this, "ontimeupdate", newValue.unsafeCast<(Event) -> Unit>())}
 
-var CommonAttributeGroupFacade.onTouchCancelFunction : (Event) -> Unit
+var CommonAttributeGroupFacade.onTouchCancelFunction : (org.w3c.dom.events.Event) -> Unit
     get()  = throw UnsupportedOperationException("You can't read variable onTouchCancel")
-    set(newValue) {consumer.onTagEvent(this, "ontouchcancel", newValue)}
+    set(newValue) {consumer.onTagEvent(this, "ontouchcancel", newValue.unsafeCast<(Event) -> Unit>())}
 
-var CommonAttributeGroupFacade.onTouchEndFunction : (Event) -> Unit
+var CommonAttributeGroupFacade.onTouchEndFunction : (org.w3c.dom.events.Event) -> Unit
     get()  = throw UnsupportedOperationException("You can't read variable onTouchEnd")
-    set(newValue) {consumer.onTagEvent(this, "ontouchend", newValue)}
+    set(newValue) {consumer.onTagEvent(this, "ontouchend", newValue.unsafeCast<(Event) -> Unit>())}
 
-var CommonAttributeGroupFacade.onTouchMoveFunction : (Event) -> Unit
+var CommonAttributeGroupFacade.onTouchMoveFunction : (org.w3c.dom.events.Event) -> Unit
     get()  = throw UnsupportedOperationException("You can't read variable onTouchMove")
-    set(newValue) {consumer.onTagEvent(this, "ontouchmove", newValue)}
+    set(newValue) {consumer.onTagEvent(this, "ontouchmove", newValue.unsafeCast<(Event) -> Unit>())}
 
-var CommonAttributeGroupFacade.onTouchStartFunction : (Event) -> Unit
+var CommonAttributeGroupFacade.onTouchStartFunction : (org.w3c.dom.events.Event) -> Unit
     get()  = throw UnsupportedOperationException("You can't read variable onTouchStart")
-    set(newValue) {consumer.onTagEvent(this, "ontouchstart", newValue)}
+    set(newValue) {consumer.onTagEvent(this, "ontouchstart", newValue.unsafeCast<(Event) -> Unit>())}
 
-var CommonAttributeGroupFacade.onVolumeChangeFunction : (Event) -> Unit
+var CommonAttributeGroupFacade.onVolumeChangeFunction : (org.w3c.dom.events.Event) -> Unit
     get()  = throw UnsupportedOperationException("You can't read variable onVolumeChange")
-    set(newValue) {consumer.onTagEvent(this, "onvolumechange", newValue)}
+    set(newValue) {consumer.onTagEvent(this, "onvolumechange", newValue.unsafeCast<(Event) -> Unit>())}
 
-var CommonAttributeGroupFacade.onWaitingFunction : (Event) -> Unit
+var CommonAttributeGroupFacade.onWaitingFunction : (org.w3c.dom.events.Event) -> Unit
     get()  = throw UnsupportedOperationException("You can't read variable onWaiting")
-    set(newValue) {consumer.onTagEvent(this, "onwaiting", newValue)}
+    set(newValue) {consumer.onTagEvent(this, "onwaiting", newValue.unsafeCast<(Event) -> Unit>())}
 
-var CommonAttributeGroupFacade.onWheelFunction : (Event) -> Unit
+var CommonAttributeGroupFacade.onWheelFunction : (org.w3c.dom.events.Event) -> Unit
     get()  = throw UnsupportedOperationException("You can't read variable onWheel")
-    set(newValue) {consumer.onTagEvent(this, "onwheel", newValue)}
+    set(newValue) {consumer.onTagEvent(this, "onwheel", newValue.unsafeCast<(Event) -> Unit>())}