<?php
$request = new Marketing Cloud_CreateRequest();$opts = new Marketing Cloud_CreateOptions();
$opts->RequestType = Marketing Cloud_RequestType::Asynchronous;
$opts->SendResponseTo = array();
$ar = new Marketing Cloud_AsyncResponse();
$ar->ConversationID = "firsttest";
$ar->RespondWhen = Marketing Cloud_RespondWhen::OnCallComplete;
$ar->ResponseType = Marketing Cloud_AsyncResponseType::email;
$ar->ResponseAddress = "responses@example.com";
$ar->IncludeResults = true;
$ar->IncludeObjects = true;
$ar->OnlyIncludeBase = true;
$opts->SendResponseTo[] = $ar;
$request->Options = $opts;
$results = $client->Create($request);