module.exports = { up: (queryInterface, Sequelize) => { // logic for transforming into the new state return queryInterface.addColumn( 'Claim', 'FileId', { type : Sequelize.STRING, allowNull: true, } ); }, down: (queryInterface, Sequelize) => { // logic for reverting the changes return queryInterface.removeColumn( 'Claim', 'FileId' ); }, };