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API > API/Plugins > API/Plugins/OnlineSubsystem > API/Plugins/OnlineSubsystem/Interfaces > API/Plugins/OnlineSubsystem/Interfaces/IOnlineExternalUI
References
| Module | OnlineSubsystem |
| Header | /Engine/Plugins/Online/OnlineSubsystem/Source/Public/Interfaces/OnlineExternalUIInterface.h |
| Include | #include "Interfaces/OnlineExternalUIInterface.h" |
virtual bool ShowPlatformMessageBox
&40;
const FUniqueNetId & UserId,
EPlatformMessageType MessageType
&41;
Remarks
Displays an informational system dialog.
Parameters
| Name | Description |
|---|---|
| UserId | Who to show this dialog for. |
| MessageId | Platform-specific identifier for the message box to display. |