ManyToOne_only.cs

[Table("Employees")]
public class Employee
{
    [PrimaryKey, AutoIncrement]
    public int Id { get; set; }

    public string Name { get; set; }
    public string LastName { get; set; }
}

[Table("Duties")]
public class Duty
{
    [PrimaryKey, AutoIncrement]
    public int Id { get; set; }

    public string Description { get; set; }

    public DateTime Deadline { get; set; }

    [ForeignKey(typeof(Employee))]
    public int EmployeeId { get; set; }

    [ManyToOne]
    public Employee Employee { get; set; }
}