void Initialise ( struct [FNDISkeletalMesh_InstanceData](API\Plugins\Niagara\FNDISkeletalMesh_InstanceData) * InstData, const [FSkeletalMeshLODRenderData](API\Runtime\Engine\Rendering\FSkeletalMeshLODRenderData) & SkeletalMeshLODRenderData, const [FSkeletalMeshSamplingLODBuiltData](API\Runtime\Engine\Engine\FSkeletalMeshSamplingLODBuiltDat-) * SkeletalMeshSamplingLODBuiltData, [FNiagaraSystemInstance](API\Plugins\Niagara\FNiagaraSystemInstance) * SystemInstance )