var posts = new Posts();
var post = posts.model({
  title: 'Hello World'
});
 
post.save().then(function (model) {
  var created = model.get('created'); // `2015-01-01 12:00:00`
});

var TimestampBehavior = require('firenze-behavior-timestamp');
 
// create your Database instance...
 
db.createCollection({
  behaviors: [
    {
      'class': TimestampBehavior,
      options: {
        created: {
          on: 'create'                  // 'create', 'update', or 'always'
          format: 'YYYY-MM-DD HH:mm:ss' // 'object' for Date object, or moment.js format
        }
      }
    }
  ]
});

<script src="bower_components/firenze/dist/firenze.full.min.js"></script>
<script src="bower_components/moment/min/moment.min.js"></script>
<script src="bower_components/firenze-behavior-timestamp/dist/firenze-behavior-timestamp.min.js"></script>
 
<script>
  // Timestamp behavior is available in `firenze.TimestampBehavior`
</script>