text: function handler(In) {
      var self = this;
      var date = In.property(this.props["date"]).value().toString();
      var days = this.props["days"];
      var out = this.props["outprop"];
  
      date = new Date(date);
      date.setDate(date.getDate() + days);
      var newdate = date.toISOString().slice(0,10);
  
      In.property(out).set(newdate);
  
      this.executeOutputLink("Out", In);
  }