// widget_button.ysl2

template "widget[@type='Button']", mode="widget_defs" {

param "hmi_element";

| frequency: 5,

| init: function() {

| this.element.addEventListener(

| "mousedown",

| evt => {

| change_hmi_value(this.indexes[0], "=1");

| });

| this.element.addEventListener(

| "mouseup",

| evt => {

| change_hmi_value(this.indexes[0], "=0");

| });

| },

}