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> Unreal Engine API Reference > Runtime > Engine > Blueprint > UBlueprintExtension

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UBlueprintExtension

Per-instance extension object that can be added to [UBlueprint::Extensions](API\Runtime\Engine\Engine\UBlueprint\Extensions) in order to augment built-in blueprint functionality Ideally this would be an editor-only class, but such classes are not permitted within Engine modules (even inside WITH_EDITORONLY_DATA blocks)

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Inheritance Hierarchy

UObjectBase

UObjectBaseUtility

UObject

UBlueprintExtension

References

Module	Engine
Header	/Engine/Source/Runtime/Engine/Public/Blueprint/BlueprintExtension.h
Include	#include "Blueprint/BlueprintExtension.h"

Syntax

class UBlueprintExtension : public UObject

Remarks

Per-instance extension object that can be added to UBlueprint::Extensions in order to augment built-in blueprint functionality Ideally this would be an editor-only class, but such classes are not permitted within Engine modules (even inside WITH_EDITORONLY_DATA blocks)

Functions

		Name	Description
	void	GenerateFunctionGraphs ( FKismetCompilerContext* Compil... )	Called during compilation (after skeleton class generation) in order to generate dynamic function graphs for this blueprint
	void	PreloadObjectsForCompilation ( UBlueprint* OwningBlueprint )	Called before blueprint compilation to ensure that any objects necessary for the specified blueprint's compilation

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