Namespacesdraggingblockly.dragging_namespace.dragger_class.ondragstart_methodOn this pageblockly > dragging > Dragger > onDragStart dragging.Dragger.onDragStart() method Handles any drag startup. Signature: onDragStart(e?: PointerEvent | KeyboardEvent): IDraggable; Parameters ParameterTypeDescriptionePointerEvent | KeyboardEvent(Optional) Returns: IDraggable