const {model, Schema} = require('mongoose'); const Message = new Schema({ text: {type: String, required: true}, userName : {type: String, required: true}, createDate: {type: Date, required: true}, user: { type: Schema.Types.ObjectId, ref: 'User' },//not using file: {type: String} , fileType: {type: String} }) module.exports = model('Message', Message)