text: var mongoose = require('mongoose');
  var Schema = mongoose.Schema,
  ObjectId = Schema.ObjectId;
  
  var personal_informationSchema = new Schema({
  	id: { type: String, unique: true, required: true },
  	firstName : { type: String, required: true },
  		lastName : { type: String, required: true },
  		emailAddress : { type: String, required: true },
  		phoneNumber : { type: String, required: true },
  		
  	personal_information_ : [{ type: String, unique: true, required: true }],
  	createdDate: { type: Date, required: true },
  	modifiedDate: { type: Date, required: true }
  }, { collection: 'personal_information'});
  
  Personal_information = mongoose.model('Personal_information', personal_informationSchema);
  
  module.exports = Personal_information;