// widget_button.ysl2

template "widget[@type='Button']", mode="widget_class"
    ||
    class ButtonWidget extends Widget{
        frequency = 5;
        init() {
            this.element.addEventListener(
              "mousedown",
              evt => {
                  change_hmi_value(this.indexes[0], "=1");
              });
            this.element.addEventListener(
              "mouseup",
              evt => {
                  change_hmi_value(this.indexes[0], "=0");
              });
        }
    }
    ||