text: const mongoose = require('mongoose');
  const schema = { Schema } = mongoose;
  const RecipientSchema = require('./Recipient');
  
  const surveySchema = new Schema({
  	title: String,
  	body: String,
  	subject: String,
  	recipients: [RecipientSchema],
  	yes: { type: Number, default: 0},
  	no: { type: Number, default: 0 },
  	_user: { type: Schema.Types.ObjectId, ref: 'User' },
  	dateSent: Date,
  	lastResponded: Date
  });
  
  mongoose.model('surveys', surveySchema);