diff --git a/source/Google/MobileAds/ApiDefinition.cs b/source/Google/MobileAds/ApiDefinition.cs
index d00b492de..ab38e9495 100644
--- a/source/Google/MobileAds/ApiDefinition.cs
+++ b/source/Google/MobileAds/ApiDefinition.cs
@@ -865,6 +865,11 @@ interface SearchBannerView {
 		   Delegates = new [] { "Delegate", "UnconfirmedClickDelegate" },
 		   Events = new [] { typeof (NativeAdDelegate), typeof (NativeAdUnconfirmedClickDelegate) })]
 	interface NativeAd {
+		// @property (readonly, copy, nonatomic) NSString * _Nullable headline;
+		[NullAllowed]
+		[Export ("headline")]
+		string Headline { get; }
+
 		// @property (readonly, copy, nonatomic) NSString * _Nullable callToAction;
 		[NullAllowed]
 		[Export ("callToAction")]
@@ -1451,6 +1456,23 @@ interface AdLoaderDelegate {
 		void DidFinishLoading (AdLoader adLoader);
 	}
 
+	interface INativeAdLoaderDelegate {
+	}
+
+	// @protocol GADNativeAdLoaderDelegate <GADAdLoaderDelegate>
+#if NET
+    [Model]
+#else
+	[Model (AutoGeneratedName = true)]
+#endif
+	[Protocol]
+	[BaseType (typeof (NSObject), Name = "GADNativeAdLoaderDelegate")]
+	interface NativeAdLoaderDelegate : AdLoaderDelegate {
+		// @optional - (void)adLoader:(nonnull GADAdLoader *)adLoader didReceiveNativeAd:(nonnull GADNativeAd *)nativeAd;
+		[Export("adLoader:didReceiveNativeAd:")]
+		void DidReceiveNativeAd (AdLoader adLoader, NativeAd nativeAd);
+	}
+
 	#region Loading.Formats
 
 	interface INativeAdDelegate {