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API > API/Editor > API/Editor/DataHierarchyEditor > API/Editor/DataHierarchyEditor/FHierarchyElementViewModel
Description
This function determines whether a hierarchy item that represents that external data should be maintained during data refresh Needs to be implemented if RepresentsExternalData return true. The context object can be used to add arbitrary data.
| Name | DoesExternalDataStillExist |
| Type | function |
| Header File | /Engine/Source/Editor/DataHierarchyEditor/Public/DataHierarchyViewModelBase.h |
| Include Path | #include "DataHierarchyViewModelBase.h" |
virtual bool DoesExternalDataStillExist
(
const UHierarchyDataRefreshContext * Context
) const