using System.ComponentModel.DataAnnotations; namespace GamificationService.Models.Database; public class InstructionParagraph { [Key] public long Id { get; set; } public long InstructionId { get; set; } [Required(ErrorMessage = "Must be linked to instruction")] public int Order { get; set; } [Required(ErrorMessage = "Paragraph text is required")] public string Text { get; set; } = null!; public string? ImageUrl { get; set; } public string? VideoUrl { get; set; } }