import { ApiProperty } from '@nestjs/swagger'; import { IsString } from 'class-validator'; export class ChangePasswordDto { @ApiProperty() @IsString({ message: 'Identifier must be a string', }) username: string; @ApiProperty() @IsString({ message: 'Password must be a string', }) password: string; @ApiProperty() @IsString({ message: 'New password must be a string', }) newPassword: string; }