public async Task <IActionResult> AddCustom([FromBody] WatchList watchList, [FromQuery] string userId)
{
watchList = Mapper.Map <WatchList>(await _watchListService.AddCustomAsync(userId, watchList));
return(Created
(
uri: $"api/v2/watch-lists/custom/{watchList.Id}?userId={userId}",
value: watchList
));
}