text: var mongoose = require('mongoose');
  
  // SCHEMA SETUP
  var campgroundSchema = new mongoose.Schema({
      name: String,
      price: String,
      image: String,
      description: String,
      author: {
          id: {
              type: mongoose.Schema.Types.ObjectId,
              ref: "User"
          },
          username: String
      },
      comments: [{
          type: mongoose.Schema.Types.ObjectId,
          ref: "Comment"
      }]
  });
  module.exports = mongoose.model("Campground", campgroundSchema);