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> Unreal Engine API Reference > Plugins > NiagaraEditor > Widgets > SItemSelector > FArguments > SItemSelector::FArguments::OnGetKeyForSection

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SItemSelector::FArguments::OnGetKeyForSection

An optional delegate called to get a stable key (supports GetTypeHash()) for a section.

Windows

MacOS

Linux

References

Module	NiagaraEditor
Header	/Engine/Plugins/FX/Niagara/Source/NiagaraEditor/Public/Widgets/SItemSelector.h
Include	#include "Widgets/SItemSelector.h"

Syntax

WidgetArgsType & OnGetKeyForSection
(
const FOnGetKeyForSection & InDelegate
)

Remarks

An optional delegate called to get a stable key (supports GetTypeHash()) for a section. If set, this delegate is used to uniquely key sections to preserve selection and expansion state when refresh is called.

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