'use strict' module.exports = { up: (queryInterface, Sequelize) => { return queryInterface.addColumn('clients', 'registrationState', { type: Sequelize.INTEGER, onDelete: 'SET NULL', references: { model: 'registrationhooks', key: 'id' } }) }, down: (queryInterface, Sequelize) => { return queryInterface.removeColumn('clients', 'registrationState') } }