select_promotion

A user selects a promotion.

Status: Planned

Triggered when a promotion is selected (clicked).

Emitted for availability-search promotions and checkout portal discounts.

GA4 docs: https://developers.google.com/analytics/devguides/collection/ga4/reference/events?client_type=gtag#select_promotion

Sample data layer snippet

dataLayer.push({ ecommerce: null });  // Clear the previous ecommerce object.  dataLayer.push({  "event": "select_promotion",  "ecommerce": {    "promotion_id": "promo_123",    "promotion_name": "Summer Sale",    "creative_name": "Hero Banner",    "creative_slot": "homepage_hero",    "items": [      {        "item_id": "123123",        "item_name": "4-Person Luxury Villa",        "google_business_vertical": "hotel_rental"      }    ]  }});

Top-level objects

Parameter	Sample	Presence	Description
`ecommerce`	`{...} (see below)`	always	Ecommerce payload wrapper for GA4 events.

`ecommerce`

Ecommerce payload wrapper for GA4 events.

Field	Sample	Presence	Description
`promotion_id`	`promo_123`	always	Promotion ID. Source: Promotion id (discount, package, or discount card).
`promotion_name`	`Summer Sale`	always	Promotion name. Source: Promotion name (discount, package, or discount card).
`creative_name`	`Hero Banner`	if available	Creative name for the promotion. Source: Promotion creative name (banner/asset name) when provided.
`creative_slot`	`homepage_hero`	if available	Creative slot or placement. Source: Promotion placement/slot identifier when provided.
`items[]`	`[...] (see below)`	if available	Items array for the ecommerce payload.

`ecommerce.items[]`

Items array for the ecommerce payload.

Field	Sample	Presence	Description
`item_id`	`123123`	if available	The ID of the promoted item. Source: Checkout portal: accommodation type id, extra cost id, bundle id, or amenity id. Availability/property search: category id or property id. Promotions: discount/package id (different entities).
`item_name`	`4-Person Luxury Villa`	if available	The name of the promoted item. Source: Checkout portal: accommodation type name, extra name, bundle name, or amenity name. Availability/property search: localized category/property name. Promotions: promotion name.
`google_business_vertical`	`hotel_rental`	if available	Google Ads business vertical for dynamic remarketing (examples: "hotel_rental", "retail"). Source: Remarketing business vertical configured globally; not from booking data.