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API > API/Developer > API/Developer/WidgetRegistration > API/Developer/WidgetRegistration/FBuilderKeys
References
| Module | WidgetRegistration |
| Header | /Engine/Source/Developer/WidgetRegistration/Public/BuilderKey.h |
| Include | #include "BuilderKey.h" |
| Source | /Engine/Source/Developer/WidgetRegistration/Private/BuilderKey.cpp |
const FBuilderKey & None() const
Remarks
A "None" key to provide a null state when needed.