diff --git a/src/Ryujinx.HLE/HOS/Services/Am/AppletOE/ApplicationProxyService/ApplicationProxy/IApplicationFunctions.cs b/src/Ryujinx.HLE/HOS/Services/Am/AppletOE/ApplicationProxyService/ApplicationProxy/IApplicationFunctions.cs
index 8648b0642..caf1c3a4c 100644
--- a/src/Ryujinx.HLE/HOS/Services/Am/AppletOE/ApplicationProxyService/ApplicationProxy/IApplicationFunctions.cs
+++ b/src/Ryujinx.HLE/HOS/Services/Am/AppletOE/ApplicationProxyService/ApplicationProxy/IApplicationFunctions.cs
@@ -31,11 +31,13 @@ namespace Ryujinx.HLE.HOS.Services.Am.AppletOE.ApplicationProxyService.Applicati
         private readonly KEvent _friendInvitationStorageChannelEvent;
         private readonly KEvent _notificationStorageChannelEvent;
         private readonly KEvent _healthWarningDisappearedSystemEvent;
+        private readonly KEvent _unknownEvent;
 
         private int _gpuErrorDetectedSystemEventHandle;
         private int _friendInvitationStorageChannelEventHandle;
         private int _notificationStorageChannelEventHandle;
         private int _healthWarningDisappearedSystemEventHandle;
+        private int _unknownEventHandle;
 
         private bool _gamePlayRecordingState;
 
@@ -50,6 +52,7 @@ namespace Ryujinx.HLE.HOS.Services.Am.AppletOE.ApplicationProxyService.Applicati
             _friendInvitationStorageChannelEvent = new KEvent(system.KernelContext);
             _notificationStorageChannelEvent = new KEvent(system.KernelContext);
             _healthWarningDisappearedSystemEvent = new KEvent(system.KernelContext);
+            _unknownEvent = new KEvent(system.KernelContext);
 
             _horizon = system.LibHacHorizonManager.AmClient;
         }
@@ -647,6 +650,25 @@ namespace Ryujinx.HLE.HOS.Services.Am.AppletOE.ApplicationProxyService.Applicati
 
             return ResultCode.Success;
         }
+        
+        [CommandCmif(210)]
+        // GetUnknownEvent() -> handle<copy>
+        public ResultCode GetUnknownEvent(ServiceCtx context)
+        {
+            if (_unknownEventHandle == 0)
+            {
+                if (context.Process.HandleTable.GenerateHandle(_unknownEvent.ReadableEvent, out _unknownEventHandle) != Result.Success)
+                {
+                    throw new InvalidOperationException("Out of handles!");
+                }
+            }
+
+            context.Response.HandleDesc = IpcHandleDesc.MakeCopy(_unknownEventHandle);
+
+            Logger.Stub?.PrintStub(LogClass.ServiceAm);
+
+            return ResultCode.Success;
+        }
 
         [CommandCmif(1001)] // 10.0.0+
         // PrepareForJit()