userAndRole.js

// user.js
module.exports = {

    schema: true,
    attributes: {
        name: {
            type: 'string',
            required: true
        },
        roles: {
            collection: 'role',
            required: false
        }
    }

};

// role.js
module.exports = {

    schema: true,
    attributes: {
        name: {
            type: 'string',
            required: true
        }
    }

};