code: function getData(){
      var data = {};
  
      this.getFormData().forEach(function(d){
        if (Array.isArray(data[d.name])){
          data[d.name].push(d.value);
        }
        else if (data[d.name] !== undefined){
          data[d.name] = [data[d.name], d.value];
        }
        else {
          data[d.name] = d.value;
        }
      });
  
      return data;
    }
docs: Returns an aggregated object of form values.
  
  If form fields has the same name, their value will be aggregated as an array for this given name.
  
  @api
  @returns {Object}