set payment method

src/modules/cart/dto/set-payment-method.dto.ts

@@ -0,0 +1,10 @@
+import { ApiProperty } from '@nestjs/swagger';
+import { IsNotEmpty, IsString } from 'class-validator';
+
+export class SetPaymentMethodDto {
+  @ApiProperty({ description: 'Payment method ID', example: '01ARZ3NDEKTSV4RRFFQ69G5FAV' })
+  @IsNotEmpty()
+  @IsString()
+  paymentMethodId!: string;
+}
+