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> Unreal Engine API Reference > Runtime > Engine > Engine > UEngine > AddOnScreenDebugMessage > UEngine::AddOnScreenDebugMessage

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UEngine::AddOnScreenDebugMessage

Add a [FString](API\Runtime\Core\Containers\FString) to the On-screen debug message system.

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MacOS

Linux

References

Module	Engine
Header	/Engine/Source/Runtime/Engine/Classes/Engine/Engine.h
Include	#include "Engine/Engine.h"
Source	/Engine/Source/Runtime/Engine/Private/UnrealEngine.cpp

Syntax

void AddOnScreenDebugMessage
(
    int32 Key,
    float TimeToDisplay,
    FColor DisplayColor,
    const FString & DebugMessage,
    bool bNewerOnTop,
    const FVector2D & TextScale
)

Remarks

Add a FString to the On-screen debug message system. bNewerOnTop only works with Key == INDEX_NONE

Wrapper from int32 to uint64

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