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UBlueprintPathsLibrary::EngineSourceDir

function Engine Blueprint Since 4.0
#include "Kismet/BlueprintPathsLibrary.h"
Access: public Specifiers: staticBlueprintPure

Description

Returns the directory where the engine's C++ source code files are kept.

Caveats & Gotchas

  • Only meaningful for source builds — installed/binary engine distributions may not ship this directory, so the returned path might not exist on disk.
  • Not shipped in packaged builds; intended for editor and development tooling use only.

Signature

static FString EngineSourceDir()

Return Type

FString

Example

Locate the engine source tree C++
const FString SourceDir = UBlueprintPathsLibrary::EngineSourceDir();
UE_LOG(LogTemp, Log, TEXT("Engine source dir: %s"), *SourceDir);

Version History

Introduced in: 4.0

Version Status Notes
5.6 stable

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