public async Task<bool> AddOrUpdateAsync(ListItem Item)
{
string requestMethod = "PUT";
var addRequest = new ConstructorIORequest(APIRequestType.V1_Item, requestMethod);
Item.GetAsHash().ToList().ForEach((kvp) => addRequest.RequestBody.Add(kvp.Key, kvp.Value));
addRequest["force"] = "1";
var addResponse = await Requestor.MakeRequest(addRequest);
return addResponse.Item1;
}