diff --git a/WebKit/WKNavigationDelegate.ml b/WebKit/WKNavigationDelegate.ml
new file mode 100644
index 00000000..bb0cff1c
--- /dev/null
+++ b/WebKit/WKNavigationDelegate.ml
@@ -0,0 +1,23 @@
+(* auto-generated, do not modify *)
+
+[@@@ocaml.warning "-33"]
+open Runtime
+open Objc
+
+open CoreFoundation
+open CoreGraphics
+
+let webView'decidePolicyForNavigationAction'decisionHandler' imp = Define.method_spec ~cmd:(selector "webView:decidePolicyForNavigationAction:decisionHandler:") ~typ:(id @-> id @-> (ptr void) @-> returning (void)) ~enc:"v40@0:8@16@24@?32" ~imp
+let webView'decidePolicyForNavigationAction'preferences'decisionHandler' imp = Define.method_spec ~cmd:(selector "webView:decidePolicyForNavigationAction:preferences:decisionHandler:") ~typ:(id @-> id @-> id @-> (ptr void) @-> returning (void)) ~enc:"v48@0:8@16@24@32@?40" ~imp
+let webView'decidePolicyForNavigationResponse'decisionHandler' imp = Define.method_spec ~cmd:(selector "webView:decidePolicyForNavigationResponse:decisionHandler:") ~typ:(id @-> id @-> (ptr void) @-> returning (void)) ~enc:"v40@0:8@16@24@?32" ~imp
+let webView'didStartProvisionalNavigation' imp = Define.method_spec ~cmd:(selector "webView:didStartProvisionalNavigation:") ~typ:(id @-> id @-> returning (void)) ~enc:"v32@0:8@16@24" ~imp
+let webView'didReceiveServerRedirectForProvisionalNavigation' imp = Define.method_spec ~cmd:(selector "webView:didReceiveServerRedirectForProvisionalNavigation:") ~typ:(id @-> id @-> returning (void)) ~enc:"v32@0:8@16@24" ~imp
+let webView'didFailProvisionalNavigation'withError' imp = Define.method_spec ~cmd:(selector "webView:didFailProvisionalNavigation:withError:") ~typ:(id @-> id @-> id @-> returning (void)) ~enc:"v40@0:8@16@24@32" ~imp
+let webView'didCommitNavigation' imp = Define.method_spec ~cmd:(selector "webView:didCommitNavigation:") ~typ:(id @-> id @-> returning (void)) ~enc:"v32@0:8@16@24" ~imp
+let webView'didFinishNavigation' imp = Define.method_spec ~cmd:(selector "webView:didFinishNavigation:") ~typ:(id @-> id @-> returning (void)) ~enc:"v32@0:8@16@24" ~imp
+let webView'didFailNavigation'withError' imp = Define.method_spec ~cmd:(selector "webView:didFailNavigation:withError:") ~typ:(id @-> id @-> id @-> returning (void)) ~enc:"v40@0:8@16@24@32" ~imp
+let webView'didReceiveAuthenticationChallenge'completionHandler' imp = Define.method_spec ~cmd:(selector "webView:didReceiveAuthenticationChallenge:completionHandler:") ~typ:(id @-> id @-> (ptr void) @-> returning (void)) ~enc:"v40@0:8@16@24@?32" ~imp
+let webViewWebContentProcessDidTerminate' imp = Define.method_spec ~cmd:(selector "webViewWebContentProcessDidTerminate:") ~typ:(id @-> returning (void)) ~enc:"v24@0:8@16" ~imp
+let webView'authenticationChallenge'shouldAllowDeprecatedTLS' imp = Define.method_spec ~cmd:(selector "webView:authenticationChallenge:shouldAllowDeprecatedTLS:") ~typ:(id @-> id @-> (ptr void) @-> returning (void)) ~enc:"v40@0:8@16@24@?32" ~imp
+let webView'navigationAction'didBecomeDownload' imp = Define.method_spec ~cmd:(selector "webView:navigationAction:didBecomeDownload:") ~typ:(id @-> id @-> id @-> returning (void)) ~enc:"v40@0:8@16@24@32" ~imp
+let webView'navigationResponse'didBecomeDownload' imp = Define.method_spec ~cmd:(selector "webView:navigationResponse:didBecomeDownload:") ~typ:(id @-> id @-> id @-> returning (void)) ~enc:"v40@0:8@16@24@32" ~imp
diff --git a/WebKit/WKUIDelegate.ml b/WebKit/WKUIDelegate.ml
new file mode 100644
index 00000000..5ee252b1
--- /dev/null
+++ b/WebKit/WKUIDelegate.ml
@@ -0,0 +1,17 @@
+(* auto-generated, do not modify *)
+
+[@@@ocaml.warning "-33"]
+open Runtime
+open Objc
+
+open CoreFoundation
+open CoreGraphics
+
+let webView'createWebViewWithConfiguration'forNavigationAction'windowFeatures' imp = Define.method_spec ~cmd:(selector "webView:createWebViewWithConfiguration:forNavigationAction:windowFeatures:") ~typ:(id @-> id @-> id @-> id @-> returning (id)) ~enc:"@48@0:8@16@24@32@40" ~imp
+let webViewDidClose' imp = Define.method_spec ~cmd:(selector "webViewDidClose:") ~typ:(id @-> returning (void)) ~enc:"v24@0:8@16" ~imp
+let webView'runJavaScriptAlertPanelWithMessage'initiatedByFrame'completionHandler' imp = Define.method_spec ~cmd:(selector "webView:runJavaScriptAlertPanelWithMessage:initiatedByFrame:completionHandler:") ~typ:(id @-> id @-> id @-> (ptr void) @-> returning (void)) ~enc:"v48@0:8@16@24@32@?40" ~imp
+let webView'runJavaScriptConfirmPanelWithMessage'initiatedByFrame'completionHandler' imp = Define.method_spec ~cmd:(selector "webView:runJavaScriptConfirmPanelWithMessage:initiatedByFrame:completionHandler:") ~typ:(id @-> id @-> id @-> (ptr void) @-> returning (void)) ~enc:"v48@0:8@16@24@32@?40" ~imp
+let webView'runJavaScriptTextInputPanelWithPrompt'defaultText'initiatedByFrame'completionHandler' imp = Define.method_spec ~cmd:(selector "webView:runJavaScriptTextInputPanelWithPrompt:defaultText:initiatedByFrame:completionHandler:") ~typ:(id @-> id @-> id @-> id @-> (ptr void) @-> returning (void)) ~enc:"v56@0:8@16@24@32@40@?48" ~imp
+let webView'requestMediaCapturePermissionForOrigin'initiatedByFrame'type'decisionHandler' imp = Define.method_spec ~cmd:(selector "webView:requestMediaCapturePermissionForOrigin:initiatedByFrame:type:decisionHandler:") ~typ:(id @-> id @-> id @-> llong @-> (ptr void) @-> returning (void)) ~enc:"v56@0:8@16@24@32q40@?48" ~imp
+let webView'requestDeviceOrientationAndMotionPermissionForOrigin'initiatedByFrame'decisionHandler' imp = Define.method_spec ~cmd:(selector "webView:requestDeviceOrientationAndMotionPermissionForOrigin:initiatedByFrame:decisionHandler:") ~typ:(id @-> id @-> id @-> (ptr void) @-> returning (void)) ~enc:"v48@0:8@16@24@32@?40" ~imp
+let webView'runOpenPanelWithParameters'initiatedByFrame'completionHandler' imp = Define.method_spec ~cmd:(selector "webView:runOpenPanelWithParameters:initiatedByFrame:completionHandler:") ~typ:(id @-> id @-> id @-> (ptr void) @-> returning (void)) ~enc:"v48@0:8@16@24@32@?40" ~imp
diff --git a/WebKit/WebKit.ml b/WebKit/WebKit.ml
index 0335669a..5ccf74f4 100644
--- a/WebKit/WebKit.ml
+++ b/WebKit/WebKit.ml
@@ -74,6 +74,7 @@ module WKNSURLRequest = WKNSURLRequest
 module WKNavigation = WKNavigation
 module WKNavigationAction = WKNavigationAction
 module WKNavigationData = WKNavigationData
+module WKNavigationDelegate = WKNavigationDelegate
 module WKNavigationResponse = WKNavigationResponse
 module WKNetworkSessionDelegate = WKNetworkSessionDelegate
 module WKNetworkSessionDelegateAllowingOnlyNonRedirectedJSON = WKNetworkSessionDelegateAllowingOnlyNonRedirectedJSON
@@ -143,6 +144,7 @@ module WKTextInputWindowControllerClass = WKTextInputWindowControllerClass
 module WKTextListTouchBarViewController = WKTextListTouchBarViewController
 module WKTextTouchBarItemController = WKTextTouchBarItemController
 module WKTypeRefWrapper = WKTypeRefWrapper
+module WKUIDelegate = WKUIDelegate
 module WKURLSchemeTaskImpl = WKURLSchemeTaskImpl
 module WKUserContentController = WKUserContentController
 module WKUserContentControllerClass = WKUserContentControllerClass
diff --git a/bin/main.ml b/bin/main.ml
index 4c578b25..7f1ca4c9 100644
--- a/bin/main.ml
+++ b/bin/main.ml
@@ -6,6 +6,9 @@ open AppKit
 let win_width = 400.
 let win_height = 300.
 
+let m = NSTableViewDelegate.tableViewSelectionDidChange' (fun _self _cmd _tv -> ())
+let _ = Class.define ~methods: [m] "Hola"
+
 let app_window () =
   let win =
     alloc NSWindow.self