import * as Sequelize from 'sequelize' async function up (utils: { transaction: Sequelize.Transaction queryInterface: Sequelize.QueryInterface sequelize: Sequelize.Sequelize }): Promise { const { transaction } = utils { const data = { type: Sequelize.STRING, allowNull: true } await utils.queryInterface.addColumn('localVideoViewer', 'subdivisionName', data, { transaction }) } } function down (options) { throw new Error('Not implemented.') } export { up, down }