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> Unreal Engine API Reference > Runtime > CoreUObject > UObject > FMapProperty > FMapProperty::GetNum

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FMapProperty::GetNum

Helper function to get the number of key/value pairs inside of a map.

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References

Module	CoreUObject
Header	/Engine/Source/Runtime/CoreUObject/Public/UObject/UnrealType.h
Include	#include "UObject/UnrealType.h"

Syntax

int32 GetNum
(
void * InMap
) const

Remarks

Helper function to get the number of key/value pairs inside of a map. Used by the garbage collector where for performance reasons the provided map pointer is not guarded

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