در Context برنامه، یک چنین تعریفی وجود دارد:
public class ApplicationDbContext : IdentityDbContext<User, Role, int, UserClaim, UserRole, UserLogin, RoleClaim, UserToken>, IUnitOfWork { protected override void OnModelCreating(ModelBuilder builder) { // it should be placed here, otherwise it will rewrite the following settings! base.OnModelCreating(builder);