var service = getService_();

var url = 'https://api.yelp.com/v2/search?term=food&location=San+Francisco';

var response = service.fetch(url);

var result = JSON.parse(response.getContentText());

Logger.log(JSON.stringify(result, null, 2));

return OAuth1.createService('Yelp')

// Set the consumer key and secret.

.setConsumerKey(CONSUMER_KEY)

.setConsumerSecret(CONSUMER_SECRET)

// Manually set the token and secret, as provided by the Yelp developer

// console.

.setAccessToken(TOKEN, TOKEN_SECRET);