[UEditorUtilityWidget](API\Editor\Blutility\UEditorUtilityWidget) * SpawnAndRegisterTabAndGetID ( class [UEditorUtilityWidgetBlueprint](API\Editor\Blutility\UEditorUtilityWidgetBlueprint) * InBlueprint, [FName](API\Runtime\Core\UObject\FName) & NewTabID )