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Choose a package manager and run the command in your terminal.

2. Copy command

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1. Complete prerequisites

Get started with Wix CLI

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# About the Booking Policy Snapshots API

A booking policy snapshot is a saved version of a service's booking policy at
the time a *booking*
([SDK](fallback::https://dev.wix.com/docs/sdk/backend-modules/bookings/bookings/introduction) | [REST](fallback::https://dev.wix.com/docs/rest/business-solutions/bookings/bookings/about-the-bookings-apis))
is created. This is important because a policy may change after a customer
books the service, and having a snapshot preserves the original terms.

The Booking Policy Snapshots API allows you to retrieve policy snapshots.

For managing cancellation fees, you may also want to explore the
*Booking Fees API*
([SDK](fallback::https://dev.wix.com/docs/sdk/backend-modules/bookings/booking-fees/introduction) | [REST](fallback::https://dev.wix.com/docs/rest/business-solutions/bookings/pricing/booking-fees/introduction)).

## Before You Begin

It’s important to note the following points before starting to code:

- Every booking with corresponding *eCommerce order*
  ([SDK](fallback::https://dev.wix.com/docs/sdk/backend-modules/ecom/orders/setup) | [REST](fallback::https://dev.wix.com/docs/rest/business-solutions/e-commerce/orders/introduction))
  has exactly one policy snapshot. Bookings without a related eCommerce order don't have
  a policy snapshot.
- You can't create a booking policy snapshot with the Booking Policy Snapshots
  API, you can only retrieve policy snapshots. However, you could call *Get Booking Policy*
  ([SDK](fallback::https://dev.wix.com/docs/sdk/backend-modules/bookings/booking-policies/get-booking-policy) | [REST](fallback::https://dev.wix.com/docs/rest/business-solutions/bookings/policies/booking-policies/get-booking-policy))
  to retrieve a service's booking policy just before or after creating a
  booking.

## Use Cases

- Notify business owners of bookings under outdated policy
  ([SDK](fallback::https://dev.wix.com/docs/sdk/backend-modules/bookings/booking-policy-snapshots/sample-flows#backend-modules_bookings_booking-policy-snapshots_notify-business-owners-of-bookings-under-an-outdated-policy) | [REST](fallback::https://dev.wix.com/docs/rest/business-solutions/bookings/policies/booking-policy-snapshots/sample-flows#notify-business-owners-of-bookings-under-outdated-policy)).

## Terminology

- **Booking policy**: Rules set by the business owner regarding the booking and
  cancellation of a service. Policies may include advance booking restrictions,
  cancellation deadlines, associated fees, and the maximum number of participants
  allowed.
- **Booking policy snapshot**: The version of a service's booking policy saved
  at the time a booking is created. Snapshots preserve the original terms, which
  is useful if policies change after a booking is made.

For a comprehensive glossary of Wix Bookings terms, see *Terminology*
([SDK](fallback::https://dev.wix.com/docs/sdk/backend-modules/bookings/terminology) | [REST](fallback::https://dev.wix.com/docs/rest/business-solutions/bookings/terminology)).

@package_metadata:@wix/bookings

To use the BookingPolicySnapshots API, install the `@wix/bookings` package.

#### Install the package

Follow the installation instructions for your development environment.

| Development environment | Installation method |
|--|--|
| Wix sites (editor or IDE) | Use the [package manager](fallback::https://dev.wix.com/docs/develop-websites/articles/coding-with-velo/packages/work-with-npm-packages-in-the-editor). |
| Wix sites (local IDE) | Run `wix install @wix/bookings` using the [Wix CLI](fallback::https://dev.wix.com/docs/develop-websites/articles/coding-with-velo/packages/work-with-npm-packages-with-the-wix-cli).|
| Blocks apps | Use the same installation method as Wix sites. |
| CLI and self-hosted apps | Run `npm install @wix/bookings` or `yarn add @wix/bookings`. |
| Headless sites and apps | Run `npm install @wix/bookings` or `yarn add @wix/bookings`. |

#### Import the package

To import the package in your code:

```js
import { bookingPolicySnapshots } from '@wix/bookings'
```

# Booking Policy Snapshots API: Sample Use Cases and Flows

This article shares a possible use cases you could support,
as well as a sample flow that could support it.
This can be a helpful jumping off point as you plan your implementation.

## Notify business owners of bookings under outdated policy

You could give business owners an overview of all bookings made under an
older version of a service policy.

To display a list of bookings with outdated booking policy:

1. Listen to *Booking Policy Updated*
   ([SDK](fallback::https://dev.wix.com/docs/sdk/backend-modules/bookings/booking-policies/on-booking-policy-updated) | [REST](fallback::https://dev.wix.com/docs/rest/business-solutions/bookings/policies/booking-policies/booking-policy-updated)).
1. Retrieve all services that are using the affected policy with *Query Services*
   ([SDK](fallback::https://dev.wix.com/docs/sdk/backend-modules/bookings/services/query-services) | [REST](fallback::https://dev.wix.com/docs/rest/business-solutions/bookings/services/services-v2/query-services)).
   Make sure to pass the relevant policy ID from the previous step as filter.
1. Use *Query Extended Bookings*
   ([SDK](fallback::https://dev.wix.com/docs/sdk/backend-modules/bookings/extended-bookings/query-extended-bookings) | [REST](fallback::https://dev.wix.com/docs/rest/business-solutions/bookings/bookings/bookings-reader-v2/query-extended-bookings)).
   For appointment-based service include `bookedEntity.item.slot.serviceId` in
   the filter. For classes or courses include `bookedEntity.item.schedule.serviceId`
   in the filter. You may use a conditional `or` for both filter options in a
   single call.
1. Retrieve the policy snapshots for the affected bookings with
   *List Policy Snapshots By Booking Ids*
   ([SDK](fallback::https://dev.wix.com/docs/sdk/backend-modules/bookings/booking-policy-snapshots/list-policy-snapshots-by-booking-ids) | [REST](fallback::https://dev.wix.com/docs/rest/business-solutions/bookings/policies/booking-policy-snapshots/list-policy-snapshots-by-booking-ids)).
1. Create a summary of these bookings, highlighting the policy changes for each booking.
1. Send the summary to the business owners.

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BookingPolicySnapshots

Booking Policy Snapshots 1 0 0

List of booking IDs to retrieve policy snapshots for.

bookingIds

Retrieves a list of booking policy snapshots by booking IDs
([SDK](https://dev.wix.com/docs/sdk/backend-modules/bookings/bookings/introduction) | [REST](https://dev.wix.com/docs/rest/business-solutions/bookings/bookings/about-the-bookings-apis)).

import { bookingPolicySnapshots } from '@wix/bookings';

async function listPolicySnapshotsByBookingIds(bookingIds) {
  const response = await bookingPolicySnapshots.listPolicySnapshotsByBookingIds(bookingIds);
};

listPolicySnapshotsByBookingIds

import { bookingPolicySnapshots } from '@wix/bookings';
import { auth } from '@wix/essentials';

async function myListPolicySnapshotsByBookingIdsMethod(bookingIds) {
  const elevatedListPolicySnapshotsByBookingIds = auth.elevate(bookingPolicySnapshots.listPolicySnapshotsByBookingIds);
  const response = await elevatedListPolicySnapshotsByBookingIds(bookingIds);
}

listPolicySnapshotsByBookingIds (with elevated permissions)

import { createClient } from '@wix/sdk';
import { bookingPolicySnapshots } from '@wix/bookings';
// Import the auth strategy for the relevant access type
// Import the relevant host module if needed

const myWixClient = createClient ({
  modules: { bookingPolicySnapshots },
  // Include the auth strategy and host as relevant
});


async function listPolicySnapshotsByBookingIds(bookingIds) {
  const response = await myWixClient.bookingPolicySnapshots.listPolicySnapshotsByBookingIds(bookingIds);
};

Self-hosted SDK calls require you to [create a client](https://dev.wix.com/docs/sdk/articles/work-with-the-sdk/about-the-wix-client).

listPolicySnapshotsByBookingIds (self-hosted)

ListPolicySnapshotsByBookingIdsResponse

# About the Booking Policy Snapshots API

A booking policy snapshot is a saved version of a service's booking policy at
the time a [booking](https://dev.wix.com/docs/sdk/backend-modules/bookings/bookings/introduction)
is created. This is important because a policy may change after a customer
books the service, and having a snapshot preserves the original terms.

The Booking Policy Snapshots API allows you to retrieve policy snapshots.

For managing cancellation fees, you may also want to explore the
[Booking Fees API](https://dev.wix.com/docs/sdk/backend-modules/bookings/booking-fees/introduction).

## Before You Begin

It’s important to note the following points before starting to code:

- Every booking with corresponding [eCommerce order](https://dev.wix.com/docs/sdk/backend-modules/ecom/orders/setup)
  has exactly one policy snapshot. Bookings without a related eCommerce order don't have
  a policy snapshot.
- You can't create a booking policy snapshot with the Booking Policy Snapshots
  API, you can only retrieve policy snapshots. However, you could call [Get Booking Policy](https://dev.wix.com/docs/sdk/backend-modules/bookings/booking-policies/get-booking-policy)
  to retrieve a service's booking policy just before or after creating a
  booking.

## Use Cases

- Notify business owners of bookings under outdated [policy](https://dev.wix.com/docs/sdk/backend-modules/bookings/booking-policy-snapshots/sample-flows#backend-modules_bookings_booking-policy-snapshots_notify-business-owners-of-bookings-under-an-outdated-policy).

## Terminology

- **Booking policy**: Rules set by the business owner regarding the booking and
  cancellation of a service. Policies may include advance booking restrictions,
  cancellation deadlines, associated fees, and the maximum number of participants
  allowed.
- **Booking policy snapshot**: The version of a service's booking policy saved
  at the time a booking is created. Snapshots preserve the original terms, which
  is useful if policies change after a booking is made.

For a comprehensive glossary of Wix Bookings terms, see [Terminology](https://dev.wix.com/docs/sdk/backend-modules/bookings/terminology).

@package_metadata:@wix/bookings

To use the BookingPolicySnapshots API, install the `@wix/bookings` package.

#### Install the package

Follow the installation instructions for your development environment.

| Development environment | Installation method |
|--|--|
| Wix sites (editor or IDE) | Use the [package manager](https://dev.wix.com/docs/develop-websites/articles/coding-with-velo/packages/work-with-npm-packages-in-the-editor). |
| Wix sites (local IDE) | Run `wix install @wix/bookings` using the [Wix CLI](https://dev.wix.com/docs/develop-websites/articles/coding-with-velo/packages/work-with-npm-packages-with-the-wix-cli).|
| Blocks apps | Use the same installation method as Wix sites. |
| CLI and self-hosted apps | Run `npm install @wix/bookings` or `yarn add @wix/bookings`. |
| Headless sites and apps | Run `npm install @wix/bookings` or `yarn add @wix/bookings`. |

#### Import the package

To import the package in your code:

```js
import { bookingPolicySnapshots } from '@wix/bookings'
```
  

# Booking Policy Snapshots API: Sample Use Cases and Flows

This article shares a possible use cases you could support,
as well as a sample flow that could support it.
This can be a helpful jumping off point as you plan your implementation.

## Notify business owners of bookings under outdated policy

You could give business owners an overview of all bookings made under an
older version of a service policy.

To display a list of bookings with outdated booking policy:

1. Listen to [Booking Policy Updated](https://dev.wix.com/docs/sdk/backend-modules/bookings/booking-policies/on-booking-policy-updated).
1. Retrieve all services that are using the affected policy with [Query Services](https://dev.wix.com/docs/sdk/backend-modules/bookings/services/query-services).
   Make sure to pass the relevant policy ID from the previous step as filter.
1. Use [Query Extended Bookings](https://dev.wix.com/docs/sdk/backend-modules/bookings/extended-bookings/query-extended-bookings).
   For appointment-based service include `bookedEntity.item.slot.serviceId` in
   the filter. For classes or courses include `bookedEntity.item.schedule.serviceId`
   in the filter. You may use a conditional `or` for both filter options in a
   single call.
1. Retrieve the policy snapshots for the affected bookings with
   [List Policy Snapshots By Booking Ids](https://dev.wix.com/docs/sdk/backend-modules/bookings/booking-policy-snapshots/list-policy-snapshots-by-booking-ids).
1. Create a summary of these bookings, highlighting the policy changes for each booking.
1. Send the summary to the business owners.

bookings_booking-policy-snapshots

BookingPolicy

Date and time the booking policy was created.

_createdDate

string

Date and time the booking policy was updated.

_updatedDate

cancellationFeePolicy

CancellationFeePolicy

cancellationPolicy

CancellationPolicy

Custom description for the booking policy and whether the booking policy is displayed to the participant.

customPolicyDescription

PolicyDescription

Whether the booking policy is the default.

default

boolean

name

reschedulePolicy

ReschedulePolicy

Revision number, which increments by 1 each time the booking policy is updated. To prevent conflicting changes, the current `revision` must be passed when updating the booking policy.

revision

saveCreditCardPolicy

SaveCreditCardPolicy

BookingPolicySnapshot

Date and time the booking policy snapshot was created in `YYYY-MM-DDThh:mm:ssZ` format.

ID of the booking that's associated with this policy snapshot.

bookingId

Snapshot of the [booking policy](https://dev.wix.com/docs/sdk/backend-modules/bookings/booking-policies/get-booking-policy).
at the time the corresponding booking was created.

policy

Whether Wix automatically charges the cancellation fee from the customer once
they cancel their booking.

Default: `true`

autoCollectFeeEnabled

Time windows relative to the session start during which customers can cancel
their booking. Each window includes details about the fee for canceling
within it.

cancellationWindows

Whether customers must pay a cancellation fee when canceling a booking.

Default: `false`

enabled

Whether customers can cancel the booking. `true` means customers can cancel
the booking.

Default: `false`

Minimum number of minutes before the start of the session customers can cancel.
For courses, this refers to the start of the first course session.

Default: `1440` minutes (1 day)
Min: `1` minute

latestCancellationInMinutes

number

Whether there's a limit on the latest cancellation time. `false` means
customers can cancel the booking until the last minute before the course or
session starts.

Default: `false`

limitLatestCancellation

CancellationWindow

Fixed amount customers must pay when canceling the booking within this window.

amount

Percentage of the booking price customers must pay when canceling within this window.

Min: `0.01` percent
Max: `100` percent

percentage

Start of the cancellation window in minutes before the session start. For
courses, this refers to the start of the first course session.

startInMinutes

bookingPolicySnapshots

Money

Currency code. Must be valid ISO 4217 currency code (e.g., USD).

currency

Monetary amount. Decimal string in local format (e.g., 1 000,30). Optionally, a single (-), to indicate that the amount is negative.

formattedValue

Monetary amount. Decimal string with a period as a decimal separator (e.g., 3.99). Optionally, a single (-), to indicate that the amount is negative.

value

Description of the booking policy.

Default: Empty
Max length: 2500 characters

description

Description of the translated booking policy.

Default: Empty
Max length: 2500 characters

descriptionTranslated

Whether the description is displayed to the participant. `true` means the
description is displayed.

Default: `false`

Whether customers can reschedule a booking for an appointment-based service.
`true` means customers can reschedule.

Default: `false`

Minimum number of minutes before the session start session customers can
reschedule their booking.

Default: `1440` minutes (1 day)
Min: `1` minute

latestRescheduleInMinutes

Whether there's a limit on the latest supported rescheduling time. `false`
means customers can reschedule until the last minute before the session start.

Default: `false`

limitLatestReschedule

Whether Wix stores credit card details of the customer. Storing the details
allows Wix to prefill the checkout and thus increases the likelihood that the
customer completes the booking process.

Default: `false`

listPolicySnapshotsByBookingIds( )