BackEnd/YTManager/Models/Tag.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using System.ComponentModel.DataAnnotations;

namespace YTManager.Models
{
    public class Tag
    {
        // Uniquie ID for this media type
        [Key]
        public long PrimaryKey { get; set; }

        // Tag Name.
        [Required]
        public string Name { get; set; }
    }
}