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# Method name: onOrderStartDateChanged(event: OrderStartDateChangedEvent)

# Method package: wixPricingPlansBackend

# Method menu location: wixPricingPlansBackend --> Events --> onOrderStartDateChanged

# Method Link: https://dev.wix.com/docs/velo/apis/wix-pricing-plans-backend/events/on-order-start-date-changed.md

# Method Description:

An event that triggers when the start date of an order is changed.

The `onOrderStartDateChanged()` event handler runs when an order's start date is changed.
 The received `OrderStartDateChangedEvent`
 object contains information about the order whose start date changed.

 > **Note:** Backend events don't work when previewing your site.



# Method Code Examples:

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

## An event triggered when an order's start date is changed

```javascript
// Place this code in the events.js file
// of your site's Backend section.
// Add the file if it doesn't exist.

export function wixPricingPlans_onOrderStartDateChanged(event) {
  const orderId = event.data.order._id;
  const eventId = event.metadata.id;
  const eventTime = event.metadata.eventTime;
}

/* Full event object:
 * {
 *   "metadata": {
 *     "id":"d1ee0aa4-0c77-4481-a857-be913269ad6b",
 *     "entityId":"13e8df07-b26d-43a1-8ce3-8206bce9e083",
 *     "eventTime":"2022-07-27T09:48:51.178785Z",
 *     "triggeredByAnonymizeRequest":false
 *   },
 *   "data": {
 *     "order": {
 *       "_id":"13e8df07-b26d-43a1-8ce3-8206bce9e083",
 *       "planId":"6d7537c5-beac-44a3-bea3-b947ddc56b31",
 *       "subscriptionId":"e7c79eb1-9bd9-4db4-be18-d02187b2aef8",
 *       "wixPayOrderId":"ccc8dcd0-582d-48b4-a692-f69882108b03",
 *       "buyer": {
 *         "memberId":"0c9bca47-1f00-4b92-af1c-7852452e949a",
 *         "contactId":"0c9bca47-1f00-4b92-af1c-7852452e949a"
 *       },
 *       "priceDetails": {
 *         "subtotal":"14.99",
 *         "discount":"0",
 *         "total":"14.99",
 *         "planPrice":"14.99",
 *         "currency":"EUR",
 *         "subscription": {
 *           "cycleDuration": {
 *             "count":1,
 *             "unit":"MONTH"
 *           },
 *           "cycleCount":0
 *         }},
 *       "pricing": {
 *         "subscription": {
 *           "cycleDuration": {
 *             "count":1,
 *             "unit":"MONTH"
 *           },
 *           "cycleCount":0
 *         },
 *         "prices":
 *         [{
 *           "duration": {
 *             "cycleFrom":1
 *           },
 *           "price": {
 *             "subtotal":"14.99",
 *             "discount":"0",
 *             "total":"14.99",
 *             "currency":"EUR"
 *           }
 *         }]},
 *       "type":"ONLINE",
 *       "orderMethod":"UNKNOWN",
 *       "status":"DRAFT",
 *       "autoRenewCanceled":false,
 *       "lastPaymentStatus":"UNPAID",
 *       "startDate":"2022-08-15T10:00:00.000Z",
 *       "pausePeriods":[],
 *       "planName":"2x Week",
 *       "planDescription":"",
 *       "planPrice":"14.99",
 *       "_createdDate":"2022-07-27T09:47:20.466Z",
 *       "_updatedDate":"2022-07-27T09:48:51.150Z"
 *     }
 *   }
 * }
 */
```

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