back_end_oudelaa/src/modules/support/dto/create-support-message.dto.ts

import { ApiPropertyOptional } from '@nestjs/swagger';
import { IsOptional, IsString, Length } from 'class-validator';

export class CreateSupportMessageDto {
  @ApiPropertyOptional({ maxLength: 5000 })
  @IsOptional()
  @IsString()
  @Length(0, 5000)
  message?: string;
}