create external collection and shorten it with bitly

header = Map();
header.put("Accept","application/vnd.api+json");
data = Map();
data_param1 = Map();
att_param1 = Map();
att_param1.put("parent_id",<parent folder id>);
att_param1.put("collection_name",<name>);
att_param1.put("uploader_note","Please submit all files at one time. Combined or separated is fine. All offers received will be reviewed within 1 business day unless submitted after Friday at 5 PM. Offers received after that will be reviewed the following business day by noon.");
att_param1.put("is_external","true");
att_param1.put("set_upload_limit","false");
att_param1.put("override_name_exist","false");
att_param1.put("notify_every_submissions","true");
innerattr_param = List();
innerattr_param.add("name");
att_param1.put("each_user_each_folder_fields",innerattr_param);
att_param1.put("request_user_data","true");
innerattr_param = List();
innerattr_param_map1 = Map();
innerattr_param_map1.put("field_name","Name");
innerattr_param_map1.put("field_type","TEXT");
innerattr_param_map1.put("is_name_field","true");
innerattr_param.add(innerattr_param_map1);
innerattr_param_map2 = Map();
innerattr_param_map2.put("field_name","Phone");
innerattr_param_map2.put("field_type","PHONE");
innerattr_param.add(innerattr_param_map2);
innerattr_param_map3 = Map();
innerattr_param_map3.put("field_name","Email");
innerattr_param_map3.put("field_type","EMAIL_ID");
innerattr_param.add(innerattr_param_map3);
att_param1.put("input_fields",innerattr_param);
data_param1.put("attributes",att_param1);
data_param1.put("type","collections");
data.put("data",data_param1);
ext_collection = invokeurl
[
	url :"https://www.zohoapis.com/workdrive/api/v1/collections"
	type :POST
	parameters:data.toString()
	headers:header
	connection:"<connection>"
];
ext_collection_link = ext_collection.get("data").get("attributes").get("link").toString();
deal_map.put("Offer_Collection_Link",ext_collection_link);
info ext_collection_link;
//create Bitly link and store in Deals Module
Authorization = "Bearer <get your own api key>";
Domain = "bit.ly";
Service = "https://api-ssl.bitly.com/v4/shorten";
Bitly_Header_Map = Map();
Bitly_Header_Map.put("Content-Type","application/json");
Bitly_Header_Map.put("Authorization",Authorization);
Bitly_Body_Map = Map();
Bitly_Body_Map.put("long_url",ext_collection_link);
Bitly_Body_Map.put("domain",Domain);
code = postUrl(Service,Bitly_Body_Map.toString(),Bitly_Header_Map,false);
bitly_url = code.getjson("responseText").getjson("link");
info "bitly url: " + bitly_url;