It seems to be the sortorder attribute of the widget: https://github.com/espruino/Espruino/commit/8ae6fe20d99f158cac2afef5a6841048f349dafd
But I don't know where that comes from because I can't see it on any widget in the BangleApps repository.
@myownself started
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
It seems to be the sortorder attribute of the widget: https://github.com/espruino/Espruino/commit/8ae6fe20d99f158cac2afef5a6841048f349dafd
But I don't know where that comes from because I can't see it on any widget in the BangleApps repository.