Event.findAll({
        include: [
            { model:EventDates, order: [ [ 'date', 'DESC' ]] },
        ],

    })

var EventDates= sequelize.define('eventdates', {
  date: {
    type: Sequelize.DATE
  },
  availabletickets: {
   type: Sequelize.INTEGER
  },
},
{
  freezeTableName: true
});

var Event = sequelize.define('event', {
  title: {
    type: Sequelize.STRING,
  },
  slug: {
    type: Sequelize.STRING
  },
   description: {
    type: Sequelize.STRING
  },
  isDeleted:{
   type: Sequelize. BOOLEAN,
   defaultValue: false
  },

}
});