function defineStep(sequelize, DataTypes) { const Step = sequelize.define('Step', { step: { type: DataTypes.STRING, allowNull: false, }, result: { type: DataTypes.STRING, allowNull: false, }, }); Step.associate = (models) => { Step.belongsToMany(models.Case, { through: 'caseSteps', }); }; return Step; } export default defineStep;