google.script.run.getLinkFolderSpreadSheet(); drive 07 - Google App Maker https://cafe.naver.com/eojji/333

ListFilesScript.js

/**
 * https://developers.google.com/appmaker/tutorials/call-scripts/
 * @param {widget} widget - Button widget.
 * @param {event} 
 */
function onListFilesClick(widget, event) {
  var widgets = widget.parent.descendants;
  var from = widgets.TextBoxFromFolder.value;
  var to = widgets.TextBoxToFolder.value;

  google.script.run.withSuccessHandler( function(resp) {
    widget.root.properties.ssNameProperty = resp.title;
    widget.root.properties.ssUrlProperty = resp.url;
  }).myListFiles(from, to);
}

function onListFileAttach(widget) {
  google.script.run.withFailureHandler(function(error) {
    // An error occurred, so display an error message.
    if (error && error.title) {
      widget.root.properties.ssNameProperty = error.title; // status.text = error.message;
    }
  }).withSuccessHandler(function(resp) {
    if (resp && resp.title) {
      widget.root.properties.ssNameProperty = resp.title;
      widget.root.properties.ssUrlProperty = resp.url;
    }
  }).getLinkFolderSpreadSheet();  
}