text: // Model NARRATOR table
  const mongoose = require('mongoose');
  const Schema = mongoose.Schema;
  
  const narratorSchema = new Schema(
      {
          LASTNAME: String,
          FIRSTNAME: String,
          MI: String, 
          BIOGRAPHY: String,
      },
      {
          collection: 'NARRATOR'
      }
  );
  
  // Virtual for narrator's URL (routes for site)
  narratorSchema.virtual('url').get(function() {
      return '/narrator/' + this._id;
  });
  
  // Create uniqueness using index
  narratorSchema.index({LASTNAME: 1, FIRSTNAME: 1}, {unique: true});
  
  // export Narrator model to the API
  module.exports = mongoose.model('Narrator', narratorSchema);