AdventureWorksDbContext_new.cs

public class AdventureWorksDbContext : DbContext
    {
        public AdventureWorksDbContext(DbContextOptions options) : base(options)
        {
        }

        protected override void OnModelCreating(ModelBuilder modelBuilder)
        {
            modelBuilder.UseEntityTypeConfiguration();

            base.OnModelCreating(modelBuilder);
        }
        
         public DbSet<Shift> Shifts { get; set; }
   }