{"tropo":[{ "say":{"value":"Welcome to my Tropo Web API node demo."}},{ "ask":{"choices":{"value":"[5 DIGITS]"},"attempts":3,"bargein":false,"name":"foo","required":true,"say":{"value":"Please enter your 5 digit zip code."},"timeout":5}},{ "on":{"event":"continue","next":"/tropo/answer","required":true}}]}