Filtrando la pregunta

file.js

/**
 * Converts the given form URL into a JSON object.
 */

function onFormSubmit(e) {
  var formResponses = FormApp.getActiveForm().getResponses();
  var formResponse = formResponses[formResponses.length-1];
  var itemResponses = formResponse.getItemResponses();
  var result = getParamsForTrello( itemResponses );
  Logger.log( result );
  createTrelloCard(result);
}

function getParamsForTrello ( questions ) {  
  var result = {};
  /*for(questions in form) {
    if(questions[questions++]){
    }
  }*/
  result.name = questions[1].getResponse();
  result.description = questions[2].getResponse() +  ": " + questions[4].getResponse();
  return result;
}
                           
function createTrelloCard( params ) {

   //POST [/1/cards], Required permissions: write
   var payload = {"name": params.name, 
                  "desc": params.description, 
                  "pos": "top",
                  "idList": ID_LIST
                 };
   var url = URL_API_TRELLO + '/cards?key='+ TOKEN_API_KEY + '&token=' + TOKEN_TRELLO;
   var options = {"method" : "post",
                  "payload" : payload};

    Logger.log(UrlFetchApp.fetch(url, options));
 }