/// <summary>
        /// Creates a label for todo item.
        /// </summary>
        /// <param name="userId">User id</param>
        /// <param name="createLabelDto">label for todo List to be created</param>
        /// <returns>Label dto</returns>
        public LabelDto CreateLabel(int userId, CreateLabelDto createLabelDto)
        {
            var dbLabel = todoItemRepository.CreateLabel(userId, createLabelDto);

            return(mapper.Map <LabelDto>(dbLabel));
        }