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.

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