changes export flow

apps/edr-freight-api/src/modules/trains/dto/build-train.dto.ts

@@ -2,6 +2,7 @@ import { ApiProperty, ApiPropertyOptional } from '@nestjs/swagger';
 import {
   ArrayMinSize,
   IsArray,
+  IsNotEmpty,
   IsOptional,
   IsString,
   IsUUID,
@@ -50,11 +51,11 @@ export class BuildTrainDto {
   @IsUUID('all', { each: true })
   wagonIds?: string[];
 
-  @ApiPropertyOptional({ maxLength: 100 })
-  @IsOptional()
+  @ApiProperty({ maxLength: 100, description: 'Vogue number' })
   @IsString()
+  @IsNotEmpty({ message: 'Vogue number is required' })
   @MaxLength(100)
-  trainName?: string;
+  trainName!: string;
 
   @ApiPropertyOptional()
   @IsOptional()