> Portal Navigation:
> 
> - Append `.md` to any URL under `https://dev.wix.com/docs/` to get its markdown version.
> - Pages are either content pages (article or reference text) or menu pages (a list of links to child pages).
> - To get a menu page, truncate any URL to a parent path and append `.md` (e.g. `https://dev.wix.com/docs/sdk.md`, `https://dev.wix.com/docs/sdk/core-modules.md`).
> - Top-level index of all portals: https://dev.wix.com/docs/llms.txt
> - Full concatenated docs: https://dev.wix.com/docs/llms-full.txt

## Resource: Initiate Checkout

## Article: Initiate Checkout

## Article Link: https://dev.wix.com/docs/sdk/host-modules/site/events/wix-events/initiate-checkout.md

## Article Content:

# Initiate Checkout

Triggered when the ‘Checkout’ button is clicked.

### Properties

|Name|Type|Description|
|---|---|---|
|`origin`|text|Wix App name, such as Events or Bookings.|
|`contents`|array|All events in cart.|
|`contents.name`|text|Event name.|
|`contents.price`|number|Ticket price.|
|`contents.currency`|currency|Currency in ISO-4217 format.|
|`contents.variant`|text|Ticket type.|
|`contents.quantity`|number|Number of tickets.|
|`userId`|text|User ID.|
<!-- |`isPremium`|boolean|Whether the Wix site is Premium| -->
<!-- |`metaSiteId`|text|Wix site ID| -->

### Example

```JSON
{
  "origin": "Wix Events",
  "contents": [ {
    "name": "Some event",
    "price": 130,
    "currency": "USD",
    "variant": "regular", 
    "quantity": 4  
  }, {
    "name": "Some great event",
    "price": 180,
    "currency": "USD",
    "variant": "vip", 
    "position": 2,
    "quantity": 2  
  } ]
}
```