Re-adding BroadcastUploadStart_t and BroadcastUploadStop_t - because while they're no longer in the sdk, they are documented on the site

Facepunch.Steamworks/Generated/CustomEnums.cs

@@ -191,6 +191,8 @@ namespace Steamworks
 		HTML_UpdateToolTip = 4525,
 		HTML_HideToolTip = 4526,
 		HTML_BrowserRestarted = 4527,
+		BroadcastUploadStart = 4604,
+		BroadcastUploadStop = 4605,
 		GetVideoURLResult = 4611,
 		GetOPFSettingsResult = 4624,
 		SteamInventoryResultReady = 4700,
@@ -401,6 +403,8 @@ namespace Steamworks
 			{ CallbackType.HTML_UpdateToolTip, typeof( HTML_UpdateToolTip_t )},
 			{ CallbackType.HTML_HideToolTip, typeof( HTML_HideToolTip_t )},
 			{ CallbackType.HTML_BrowserRestarted, typeof( HTML_BrowserRestarted_t )},
+			{ CallbackType.BroadcastUploadStart, typeof( BroadcastUploadStart_t )},
+			{ CallbackType.BroadcastUploadStop, typeof( BroadcastUploadStop_t )},
 			{ CallbackType.GetVideoURLResult, typeof( GetVideoURLResult_t )},
 			{ CallbackType.GetOPFSettingsResult, typeof( GetOPFSettingsResult_t )},
 			{ CallbackType.SteamInventoryResultReady, typeof( SteamInventoryResultReady_t )},

Facepunch.Steamworks/Generated/SteamCallbacks.cs

@@ -6,6 +6,31 @@ using System.Threading.Tasks;
 
 namespace Steamworks.Data
 {
+	[StructLayout( LayoutKind.Sequential, Pack = Platform.StructPlatformPackSize )]
+	internal struct BroadcastUploadStart_t : ICallbackData
+	{
+		[MarshalAs(UnmanagedType.I1)]
+		internal bool IsRTMP; // m_bIsRTMP bool
+		
+		#region SteamCallback
+		public static int _datasize = System.Runtime.InteropServices.Marshal.SizeOf( typeof(BroadcastUploadStart_t) );
+		public int DataSize => _datasize;
+		public CallbackType CallbackType => CallbackType.BroadcastUploadStart;
+		#endregion
+	}
+	
+	[StructLayout( LayoutKind.Sequential, Pack = Platform.StructPlatformPackSize )]
+	internal struct BroadcastUploadStop_t : ICallbackData
+	{
+		internal BroadcastUploadResult Result; // m_eResult EBroadcastUploadResult
+		
+		#region SteamCallback
+		public static int _datasize = System.Runtime.InteropServices.Marshal.SizeOf( typeof(BroadcastUploadStop_t) );
+		public int DataSize => _datasize;
+		public CallbackType CallbackType => CallbackType.BroadcastUploadStop;
+		#endregion
+	}
+	
 	[StructLayout( LayoutKind.Sequential, Pack = Platform.StructPlatformPackSize )]
 	internal struct SteamServersConnected_t : ICallbackData
 	{

Generator/steam_sdk/steam_api.json

@@ -1,5 +1,22 @@
 {
   "callback_structs": [
+
+    {
+      "callback_id": 4604,
+      "fields": [
+        { "fieldname":"m_bIsRTMP", "fieldtype":"bool" }
+      ],
+      "struct": "BroadcastUploadStart_t"
+    },
+    
+    {
+      "callback_id": 4605,
+      "fields": [
+        { "fieldname":"m_eResult", "fieldtype":"EBroadcastUploadResult" }
+      ],
+      "struct": "BroadcastUploadStop_t"
+    },
+
     {
       "callback_id": 101,
       "fields": [],