test.controller.ts

import {
  Body,
  Controller,
  Get,
  Patch,
  Post,
  ValidationPipe
} from "@nestjs/common";
import { TestDTO } from "../dtos/test.dto";

@Controller()
export class TestController {
  @Post("/test")
  public testing(@Body(new ValidationPipe()) test: TestDTO): string {
    return test.string;
  }
}