psp_api/src/modules/admin/providers/dto/provider.dto.ts

import { ApiProperty } from '@nestjs/swagger'
import { IsOptional, IsString } from 'class-validator'

export class CreateProviderDto {
  @IsString()
  @ApiProperty()
  name: string

  @IsOptional()
  @IsString()
  @ApiProperty()
  code?: string
}

export class UpdateProviderDto extends CreateProviderDto {}