Data ConsumerData Source1.POST 'placer order' CommunicationRequest [cr1]2.POST Task [t1] with focus [cr1]3a.GET (read) [cr1] based on reference from Task [t1]3b.Return [cr1] (instructing on what data to retrieve)opt4.PUT Task [t1]update status5.Poll/Subscribe to see [t1] status6.POST [requested data]7.PUT Task [t1]link to [requested data]8.Poll/Subscribe to see [t1] statusopt9a.Query to retrieve [requested data] based on reference from [t1]9b.Query response containing [requested data]