FSkeletalMeshSkinningDataHandle ( [FSkeletalMeshSkinningDataUsage](API\Plugins\Niagara\FSkeletalMeshSkinningDataUsage) InUsage, const [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< struct [FSkeletalMeshSkinningData](API\Plugins\Niagara\FSkeletalMeshSkinningData) > & InSkinningData, bool bNeedsDataImmediately )