Standard Parameters

Updated: Nov 17, 2025

This table lists all standard parameters users can send to Meta.

Website Standard Parameters	App Standard Parameters	Offline Standard Parameters	Description
availability	fb_availability	availability	Value must be available_soon, for_rent, for_sale, off_market, recently_sold or sale_pending.
body_style	fb_body_style	body_style	Body style of the vehicle: CONVERTIBLE, COUPE, HATCHBACK, MINIVAN, TRUCK, SUV, SEDAN, VAN, WAGON, CROSSOVER, OTHER.
checkin_date	fb_checkin_date	checkin_date	The date the user is wanting to check-in to the hotel in the hotel's time-zone. We accept dates in YYYYMMDD, YYYY-MM-DD, YYYY-MM-DDThh:mmTZD and YYYY-MM-DDThh:mm:ssTZD.
city	fb_city	city	Provide the city of the location from user intent.
condition_of_vehicle	fb_condition_of_vehicle	condition_of_vehicle	Condition of vehicle.
content_ids	fb_content_ids	content_ids	The content IDs associated with the event, such as product SKUs for items in an AddToCart event.
content_type	fb_content_type	content_type	Should be set to product or product_group: * Use product if the keys you send represent products. Sent keys could be content_ids or contents. * Use product_group if the keys you send in content_ids represent product groups. Product groups are used to distinguish products that are identical but have variations such as color, material, size or pattern.
contents	fb_contents	contents	A list of JSON objects that contain the product IDs associated with the event plus information about the products. Available fields: id, quantity, item_price, delivery_category.
country	fb_country	country	Provide the country of the location from user intent.
currency	fb_currency	currency	Required for purchase events. The currency for the value specified, if applicable. Currency must be a valid ISO 4217⁠ three-digit currency code.
delivery_category	fb_delivery_category	delivery_category	Optional for purchase events. Type of delivery for a purchase event. Supported values are: * in_store — Customer needs to enter the store to get the purchased product. * curbside — Customer picks up their order by driving to a store and waiting inside their vehicle. * home_delivery — Purchase is delivered to the customer's home.
departing_arrival_date	fb_departing_arrival_date	departing_arrival_date	The date and time for arrival at the destination of the outbound journey.
departing_departure_date	fb_departing_departure_date	departing_departure_date	The date and time for start of the outbound journey.
destination_airport	fb_destination_airport	destination_airport	Use official IATA code of destination airport.
destination_ids	fb_destination_ids	destination_ids	If you have a destination catalog, you can associate one or more destinations in your destination catalog with a specific hotel event.
dma_code	fb_dma_code	dma_code	The Designated Market Area (DMA) code, which the user looks at for offers.
drivetrain	fb_drivetrain	drivetrain	Drivetrain of the vehicle: 4X2, 4X4, AWD, FWD, RWD, OTHER, NONE.
exterior_color	fb_exterior_color	exterior_color	Exterior color.
fuel_type	fb_fuel_type	fuel_type	Fuel type of the vehicle: DIESEL, ELECTRIC, FLEX, GASOLINE, HYBRID, PETROL, PLUGIN_HYBRID, OTHER, NONE.
hotel_score	fb_hotel_score	hotel_score	An indicator representing the relative value of this hotel to the advertiser compared to its other hotels.
interior_color	fb_interior_color	interior_color	Interior color.
lead_event_source	lead_event_source	lead_event_source	Lead event source.
lease_end_date	fb_lease_end_date	lease_end_date	Specified using ISO 8601 date format: YYYY-MM-DD.
lease_start_date	fb_lease_start_date	lease_start_date	Allows us to recommend properties based off their date availability (using available_dates_price_config in the catalog), and improve the user landing experience (using template tags).
listing_type	fb_listing_type	listing_type	Value must be for_rent_by_agent, for_rent_by_owner, for_sale_by_agent, for_sale_by_owner, foreclosed, new_construction or new_listing.
make	fb_make	make	Make or brand of the vehicle.
mileage.unit	fb_mileage.unit	mileage.unit	Mileage unit.
mileage.value	fb_mileage.value	mileage.value	Mileage value.
model	fb_model	model	Model of the vehicle.
neighborhood	fb_neighborhood	neighborhood	Neighborhood of interest.
net_revenue	net_revenue	net_revenue	The margin value of a conversion event.
num_adults	fb_num_adults	num_adults	Number of adults that will be staying.
num_children	fb_num_children	num_children	Number of children that will be staying.
num_infants	fb_num_infants	num_infants	Number of infants that will be staying.
num_items	fb_num_items	num_items	Use only with InitiateCheckout events. The number of items that a user tries to buy during checkout.
order_id	fb_order_id	order_id	The order ID for this transaction as a string.
origin_airport	fb_origin_airport	origin_airport	Use official IATA code of departure airport.
postal_code	fb_postal_code	postal_code	Postal code.
predicted_ltv	predicted_ltv	predicted_ltv	The predicted lifetime value of a conversion event.
preferred_baths_range	fb_preferred_baths_range	preferred_baths_range	Number of bathrooms chosen as range.
preferred_beds_range	fb_preferred_beds_range	preferred_beds_range	Number of bedrooms chosen as range.
preferred_neighborhoods	fb_preferred_neighborhoods	preferred_neighborhoods	Preferred neighborhoods.
preferred_num_stops	fb_preferred_num_stops	preferred_num_stops	Indicate the preferred number of stops the user is looking for.
preferred_price_range	fb_preferred_price_range	preferred_price_range	Preferred price range for vehicle. Min/max, up to 2 decimals.
preferred_star_ratings	fb_preferred_star_ratings	preferred_star_ratings	A tuple of minimum and maximum hotel star rating that a user is filtering for.
price	fb_price	price	Cost and currency of the vehicle. Format the price as the cost, followed by the ISO currency code⁠, with a space between cost and currency.
product_catalog_id	product_catalog_id	product_catalog_id	Product catalog id.
property_type	fb_property_type	property_type	Must be apartment, condo, house, land, manufactured, other or townhouse.
region	fb_region	region	State, district, or region of interest.
returning_arrival_date	fb_returning_arrival_date	returning_arrival_date	The date and time when the return journey is done.
returning_departure_date	fb_returning_departure_date	returning_departure_date	The date and time for start of the return journey.
search_string	fb_search_string	search_string	Use only with Search events. A search query made by a user.
state_of_vehicle	fb_state_of_vehicle	state_of_vehicle	State of vehicle.
suggested_destinations	fb_suggested_destinations	suggested_destinations	Suggested destinations.
suggested_home_listings	fb_suggested_home_listings	suggested_home_listings	Suggested home listings.
suggested_hotels	fb_suggested_hotels	suggested_hotels	Suggested hotels.
suggested_jobs	fb_suggested_jobs	suggested_jobs	Suggested jobs.
suggested_local_service_businesses	fb_suggested_local_service_businesses	suggested_local_service_businesses	Suggested local service businesses.
suggested_location_based_items	fb_suggested_location_based_items	suggested_location_based_items	Suggested location based items.
suggested_vehicles	fb_suggested_vehicles	suggested_vehicles	Suggested vehicles.
transmission	fb_transmission	transmission	Transmission of the vehicle:: AUTOMATIC, MANUAL, OTHER, NONE.
travel_class	fb_travel_class	travel_class	Must be economy, premium, business or first.
travel_end	fb_travel_end	travel_end	Travel end date.
travel_start	fb_travel_start	travel_start	Travel start date.
trim	fb_trim	trim	Max characters: 50.
user_bucket	fb_user_bucket	user_bucket	User bucket.
value	_valueToSum	value	Required for purchase events or any events that utilize value optimization. A numeric value associated with the event. This must represent a monetary amount.
vin	fb_vin	vin	VIN.
year	fb_year	year	Year the vehicle was launched in yyyy format.
		item_number	Unique identifier to distinguish events within the same order or transaction.
	ad_type		Ad type.
	fb_content		A list of JSON object that contains the International Article Number (EAN) when applicable, or other product or content identifier(s) as well as quantities and prices of the products. Required: id, quantity. Example: "[{"id": "1234", "quantity": 2,}, {"id": "5678", "quantity": 1,}]".
	fb_content_id		International Article Number (EAN) when applicable, or other product or content identifier(s). For multiple product ids: e.g. "["1234","5678"]".
	fb_description		A string description.
	fb_level		Level of a game.
	fb_max_rating_value		Upper bounds of a rating scale, for example 5 on a 5 star scale.
	fb_payment_info_available		1 for yes, 0 for no.
	fb_registration_method		Facebook, Email, Twitter, etc.
	fb_success		1 for yes, 0 for no..
	_valueToSum		Numeric value of individual event to be summed in reporting.