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# Method name: changeStartDate(orderId: string, startDate: Date)

# Method package: wixPricingPlansBackend

# Method menu location: wixPricingPlansBackend --> Checkout --> changeStartDate

# Method Link: https://dev.wix.com/docs/velo/apis/wix-pricing-plans-backend/checkout/change-start-date.md

# Method Description:

Change the start date of a draft order.

**Deprecated.** This function will continue to work, but will soon be deprecated.

 The `changeStartDate()` function returns a promise that resolves to a draft of the `Order`
 object with an updated `startDate`.

 This function cannot be called on paid orders. When an order is paid for, it is no longer
 considered a draft and its start date cannot be changed.

 The [`onOrderStartDateChanged()`](wix-pricing-plans-backend/events/onOrderStartDateChanged) and [`onOrderUpdated()`](wix-pricing-plans-backend/events/onOrderUpdated) event handlers run when the start date of an order is changed.

 The member must be logged in to change the start date of their order. Members cannot change the start date of other members' orders.



# Method Code Examples:

*** Note: do not assume any prop names or enum values other than the ones in the example.

## Change the start date of a draft order

```javascript
import { Permissions, webMethod } from 'wix-web-module';
import { checkout } from 'wix-pricing-plans-backend';

export const myChangeStartDateFunction = webMethod(Permissions.Anyone, () => {
  const orderId = '4d771642-2e36-4078-a294-105649e1ed05';
  const startDate = new Date('September 19, 2021 10:00:00');

  return checkout.changeStartDate(orderId, startDate)
    .then((draft) => {
      const orderPlan = draft.planName;
      const orderStatus = draft.status;
      const orderStart = draft.startDate;
    })
    .catch((error) => {
      console.error(error);
    });
});

/* Promise resolves to: 
 * 
 * {
 *   "_id": "4d771642-2e36-4078-a294-105649e1ed05",
 *   "planId": "5cfdba28-283f-4859-98f8-ebb7af542d41",
 *   "subscriptionId": "0a0304bc-7aae-474c-a2b5-81e3e7925c24",
 *   "wixPayOrderId": "cd5e42ba-5de4-4ba1-b2e3-410cd46dde60",
 *   "buyer": {
 *     "memberId": "4c47c608-cfa8-4037-93ac-738f09560ed3",
 *     "contactId": "4c47c608-cfa8-4037-93ac-738f09560ed3"
 *   },
 *   "priceDetails": {
 *     "subtotal": "25",
 *     "discount": "0",
 *     "total": "25",
 *     "planPrice": "25",
 *     "currency": "USD",
 *     "singlePaymentForDuration": {
 *       "count": 6,
 *       "unit": "MONTH"
 *     }
 *   },
 *   "pricing": {
 *     "singlePaymentForDuration": {
 *       "count": 6,
 *       "unit": "MONTH"
 *     },
 *     "prices": [
 *       {
 *         "duration": {
 *           "cycleFrom": 1
 *         },
 *         "price": {
 *           "subtotal": "25",
 *           "discount": "0",
 *           "total": "25",
 *           "currency": "USD"
 *         }
 *       }
 *     ]
 *   },
 *   "type": "ONLINE",
 *   "orderMethod": "UNKNOWN",
 *   "status": "DRAFT",
 *   "lastPaymentStatus": "UNPAID",
 *   "startDate": "2021-09-19T10:00:00.000Z",
 *   "endDate": "2022-03-19T10:00:00.000Z",
 *   "pausePeriods": [],
 *   "earliestEndDate": "2022-03-19T10:00:00.000Z",
 *   "currentCycle": {
 *     "index": 1,
 *     "startedDate": "2021-09-19T10:00:00.000Z",
 *     "endedDate": "2022-03-19T10:00:00.000Z"
 *   },
 *   "planName": "Vegetarian Cooking",
 *   "planDescription": "Weekly delivery of vegetarian recipes and vegan recipes",
 *   "planPrice": "25",
 *   "_createdDate": "2021-08-26T16:32:20.808Z",
 *   "_updatedDate": "2021-08-27T14:53:10.084Z"
 * }
 */
```

---