Amplitude: Most-used fields

The table below gives information about most-used fields that you can import from Amplitude. Other fields might also be available in Adverity.

The fields that you can fetch in Adverity are updated regularly to reflect updates to data source APIs.

API name	Adverity UI name	Description	Use in Adverity
$insert_id	$insert_id	A unique identifier for the event insert operation.	dimension
$insert_key	$insert_key	A unique identifier used by Amplitude for deduplication of events.	dimension
$schema	$schema	The version identifier for the event data schema, used for parsing and validation of the exported event data.	dimension
adid	adid	The Android Advertising ID, used for tracking and attribution.	dimension
amplitude_attribution_ids	amplitude_attribution_ids	Amplitude’s internal attribution IDs associated with the event.	dimension
amplitude_event_type	amplitude_event_type	The type of event as defined by Amplitude.	dimension
amplitude_id	amplitude_id	Amplitude’s unique identifier for a user.	dimension
app	app	The ID of the Amplitude project the event belongs to.	metric
city	city	The city where the event occurred, derived from the user’s IP address.	dimension
client_event_time	client_event_time	UTC ISO-8601 formatted timestamp indicating when the event occurred on the client device.	dimension
client_upload_time	client_upload_time	UTC ISO-8601 formatted timestamp indicating when the event was uploaded from the client device.	dimension
country	country	The country where the event occurred, derived from the user’s IP address.	dimension
data.integration_source_id	data.integration_source_id		dimension
data_type	data_type	Represents the type or name of the event being tracked within Amplitude. This field describes specific user actions or system events, such as ‘Product Purchased’, ‘Page Viewed’, or ‘Item Added to Cart’.	dimension
date	date	The date of the event.	dimension
device_brand	device_brand	The brand of the device used for the event.	dimension
device_carrier	device_carrier	The carrier of the device used for the event.	dimension
device_family	device_family	The family of the device used for the event (e.g., iPhone, Android).	dimension
device_id	device_id	A unique identifier for the device.	dimension
device_manufacturer	device_manufacturer	The manufacturer of the device used for the event.	dimension
device_model	device_model	The model of the device used for the event.	dimension
device_type	device_type	The type of device used (e.g., mobile, desktop).	dimension
dma	dma	Designated Market Area of the user.	dimension
event_id	event_id	A unique identifier for the event.	dimension
event_properties.$price	event_properties.$price	The monetary price associated with an event, typically for e-commerce transactions. This is a common Amplitude reserved property.	metric
event_properties.$productId	event_properties.$productId	A unique identifier for a product associated with an event. This is a common Amplitude reserved property.	dimension
event_properties.$quantity	event_properties.$quantity	The quantity of items associated with an event. This is a common Amplitude reserved property.	metric
event_properties.$revenue	event_properties.$revenue	The revenue generated by an event or transaction. This is a common Amplitude reserved property.	metric
event_properties.$revenueType	event_properties.$revenueType	The type of revenue generated, providing context for the revenue amount. This is a common Amplitude reserved property.	dimension
event_properties.[Experiment] Endpoint	event_properties.[Experiment] Endpoint	The endpoint used for an experiment, indicating where experiment evaluations are performed or managed.	dimension
event_properties.[Experiment] Environment ID	event_properties.[Experiment] Environment ID	The unique identifier for the environment in which an experiment is running.	metric
event_properties.[Experiment] Environment Name	event_properties.[Experiment] Environment Name	The name of the environment where an experiment is being conducted.	dimension
event_properties.[Experiment] Evaluation ID	event_properties.[Experiment] Evaluation ID	A unique identifier for a specific evaluation of an experiment, used for debugging and tracking purposes.	metric
event_properties.[Experiment] Experiment Key	event_properties.[Experiment] Experiment Key	The unique key identifying an experiment. This differentiates between different runs or versions of the same experiment.	dimension
event_properties.[Experiment] Flag Key	event_properties.[Experiment] Flag Key	The unique key identifying a feature flag used within an experiment.	dimension
event_properties.[Experiment] Variant	event_properties.[Experiment] Variant	The assigned variant or variation key for a user in an experiment.	dimension
event_properties.ab_uri	event_properties.ab_uri	The URI or URL associated with an A/B test or experiment.	dimension
event_properties.action	event_properties.action	Custom property indicating the action taken by the user.	dimension
event_properties.ad_group_id	event_properties.ad_group_id	A unique identifier for an ad group within a marketing campaign.	dimension
event_properties.ad_group_name	event_properties.ad_group_name	The name of an ad group within a marketing campaign.	dimension
event_properties.ad_id	event_properties.ad_id	A unique identifier for a specific advertisement.	dimension
event_properties.ad_metrics.actions.activate_app	event_properties.ad_metrics.actions.activate_app	A metric indicating the number of times an app was activated as a result of an ad.	metric
event_properties.ad_metrics.actions.add_to_cart	event_properties.ad_metrics.actions.add_to_cart	A metric indicating the number of times an item was added to a cart as a result of an ad.	metric
event_properties.ad_metrics.actions.app_install	event_properties.ad_metrics.actions.app_install	A metric indicating the number of app installations attributed to an ad.	metric
event_properties.ad_metrics.actions.complete_registration	event_properties.ad_metrics.actions.complete_registration	The count of ‘complete registration’ actions attributed to an ad campaign. This is typically part of the ‘Daily Ad Metrics’ event, used for campaign-level analysis of specific conversion actions.	metric
event_properties.ad_metrics.actions.initiated_checkout	event_properties.ad_metrics.actions.initiated_checkout	The count of ‘initiated checkout’ actions attributed to an ad campaign. This is typically part of the ‘Daily Ad Metrics’ event, used for campaign-level analysis of specific conversion actions.	metric
event_properties.ad_metrics.actions.page_engagement	event_properties.ad_metrics.actions.page_engagement	The count of ‘page engagement’ actions attributed to an ad campaign. This is typically part of the ‘Daily Ad Metrics’ event, used for campaign-level analysis of specific user interactions.	metric
event_properties.ad_metrics.actions.post_engagement	event_properties.ad_metrics.actions.post_engagement	The count of ‘post engagement’ actions attributed to an ad campaign. This is typically part of the ‘Daily Ad Metrics’ event, used for campaign-level analysis of specific user interactions with ad creative.	metric
event_properties.ad_metrics.actions.purchase	event_properties.ad_metrics.actions.purchase	The count of ‘purchase’ actions attributed to an ad campaign. This is typically part of the ‘Daily Ad Metrics’ event, used for campaign-level analysis of specific conversion actions.	metric
event_properties.ad_metrics.clicks	event_properties.ad_metrics.clicks	The total number of times users clicked on the ad. This metric is part of the ‘Daily Ad Metrics’ event, used for campaign-level performance analysis.	metric
event_properties.ad_metrics.conversions	event_properties.ad_metrics.conversions	The total number of conversions attributed to the ad. This metric is part of the ‘Daily Ad Metrics’ event, used for campaign-level analysis of advertising effectiveness.	metric
event_properties.ad_metrics.cost	event_properties.ad_metrics.cost	The total amount spent on the ad. This metric is part of the ‘Daily Ad Metrics’ event, used for calculating advertising spend for campaigns.	metric
event_properties.ad_metrics.impressions	event_properties.ad_metrics.impressions	The total number of times the ad appeared to users. This metric is part of the ‘Daily Ad Metrics’ event, used for campaign-level reach analysis.	metric
event_properties.ad_metrics.interactions	event_properties.ad_metrics.interactions	The total number of user interactions with the ad. This metric is part of the ‘Daily Ad Metrics’ event, used for campaign-level engagement analysis.	metric
event_properties.ad_name	event_properties.ad_name	The name of the specific ad creative within an ad campaign. This property is typically part of the ‘Daily Ad Metrics’ event for detailed ad performance tracking.	dimension
event_properties.ad_platform	event_properties.ad_platform	The advertising platform where the ad was displayed (e.g., Google Ads, Facebook Ads, X Ads). This property is part of the ‘Daily Ad Metrics’ event.	dimension
event_properties.anchor_hash_value	event_properties.anchor_hash_value		dimension
event_properties.app_id	event_properties.app_id	The unique identifier for the application where the event occurred.	dimension
event_properties.billing_country	event_properties.billing_country		dimension
event_properties.brand	event_properties.brand	The brand associated with the event, such as a device brand.	dimension
event_properties.browser	event_properties.browser	The web browser used by the user when the event was triggered.	dimension
event_properties.campaign_id	event_properties.campaign_id	The unique identifier for the ad campaign. This property is part of the ‘Daily Ad Metrics’ event, allowing for tracking and analysis of campaign performance.	dimension
event_properties.campaign_name	event_properties.campaign_name	The name of the ad campaign. This property is part of the ‘Daily Ad Metrics’ event, useful for identifying and analyzing specific advertising campaigns.	dimension
event_properties.cart_id	event_properties.cart_id		dimension
event_properties.cart_value	event_properties.cart_value		metric
event_properties.center_lat	event_properties.center_lat		metric
event_properties.center_lng	event_properties.center_lng		metric
event_properties.channel_identifier	event_properties.channel_identifier	An identifier for the marketing or acquisition channel.	dimension
event_properties.collapsed	event_properties.collapsed		dimension
event_properties.content_type	event_properties.content_type	The type or category of content being interacted with.	dimension
event_properties.conversion_behavior	event_properties.conversion_behavior		dimension
event_properties.conversion_behavior_index	event_properties.conversion_behavior_index		metric
event_properties.coupon	event_properties.coupon		dimension
event_properties.currency	event_properties.currency	Custom property representing the currency associated with an event, such as a purchase.	dimension
event_properties.customer_type	event_properties.customer_type	The categorization of a customer, such as ‘new’ or ‘returning’.	dimension
event_properties.dest_code	event_properties.dest_code		dimension
event_properties.destination	event_properties.destination	The name or description of a destination.	dimension
event_properties.destination_id	event_properties.destination_id	The unique identifier for a destination.	dimension
event_properties.destination_name	event_properties.destination_name	The human-readable name of a destination.	dimension
event_properties.device_class	event_properties.device_class		dimension
event_properties.device_id	event_properties.device_id	A unique identifier for the user’s device.	dimension
event_properties.device_os	event_properties.device_os	The operating system of the device where the event occurred.	dimension
event_properties.direction	event_properties.direction	The direction of an action, such as ‘Left’ or ‘Right’ for a ‘Swipe’ event.	dimension
event_properties.discount	event_properties.discount		metric
event_properties.duration	event_properties.duration	The length of time, typically in milliseconds, associated with an event or user activity.	metric
event_properties.error_code	event_properties.error_code	A code indicating the type of error that occurred.	dimension
event_properties.error_field	event_properties.error_field		dimension
event_properties.event_type	event_properties.event_type	The name or classification of the event that was triggered by the user.	dimension
event_properties.experiment_group	event_properties.experiment_group	The group a user belongs to within an experiment, such as a control or a variant group.	dimension
event_properties.experiment_split_id	event_properties.experiment_split_id	An identifier for a specific split in an experiment, indicating how users are divided into groups.	dimension
event_properties.experiment_split_name	event_properties.experiment_split_name	The name of a specific split or segment within an experiment.	dimension
event_properties.experiment_step_id	event_properties.experiment_step_id	An identifier for a particular step or stage within a multi-step experiment.	dimension
event_properties.feedback_id	event_properties.feedback_id	A unique identifier for a piece of user feedback.	dimension
event_properties.feedback_insights	event_properties.feedback_insights		dimension
event_properties.feedback_rating	event_properties.feedback_rating	A numerical or categorical rating provided by a user as feedback.	metric
event_properties.feedback_source	event_properties.feedback_source	The origin or channel through which feedback was provided.	dimension
event_properties.feedback_source_id	event_properties.feedback_source_id	An identifier for the source system or platform from which feedback was collected.	dimension
event_properties.feedback_source_name	event_properties.feedback_source_name	The name of the source system or platform from which feedback was collected.	dimension
event_properties.feedback_source_type	event_properties.feedback_source_type	The type of source from which feedback was collected (e.g., ‘survey’, ‘app_store_review’).	dimension
event_properties.feedback_text	event_properties.feedback_text	The textual content of the user’s feedback.	dimension
event_properties.feedback_timestamp	event_properties.feedback_timestamp	The timestamp when the user feedback was provided.	dimension
event_properties.final_url	event_properties.final_url		dimension
event_properties.from_domain	event_properties.from_domain		dimension
event_properties.geoarea_id	event_properties.geoarea_id		dimension
event_properties.group_id	event_properties.group_id	An identifier for a group of users, often used in account-level reporting for Enterprise customers.	dimension
event_properties.has_photos	event_properties.has_photos		dimension
event_properties.has_starting_point	event_properties.has_starting_point		dimension
event_properties.in_control_group	event_properties.in_control_group	A boolean indicating if a user is part of the control group in an experiment.	dimension
event_properties.insert_id	event_properties.insert_id		dimension
event_properties.is_assisted_by_ai	event_properties.is_assisted_by_ai		dimension
event_properties.is_generated	event_properties.is_generated		dimension
event_properties.is_powered_by_ai	event_properties.is_powered_by_ai		dimension
event_properties.item_category	event_properties.item_category	The category to which an item belongs.	dimension
event_properties.item_id	event_properties.item_id	A unique identifier for a specific item.	dimension
event_properties.item_list_name	event_properties.item_list_name		dimension
event_properties.item_type	event_properties.item_type	The type or classification of an item.	dimension
event_properties.lang	event_properties.lang	The language setting of the user’s device or application.	dimension
event_properties.language	event_properties.language	The language setting of the user’s device or application at the time the event occurred. Amplitude also tracks ‘Language’ as a default user property.	dimension
event_properties.length	event_properties.length		metric
event_properties.link_alias	event_properties.link_alias		dimension
event_properties.link_id	event_properties.link_id		dimension
event_properties.link_url	event_properties.link_url		dimension
event_properties.name	event_properties.name	The name of an event, product, or other entity.	dimension
event_properties.network	event_properties.network	Information related to the network, such as network type or carrier.	dimension
event_properties.new_index	event_properties.new_index		metric
event_properties.next_step_id	event_properties.next_step_id		dimension
event_properties.num_attractions	event_properties.num_attractions		metric
event_properties.num_days_ahead	event_properties.num_days_ahead		metric
event_properties.occurred_at	event_properties.occurred_at	The timestamp indicating when an event occurred.	dimension
event_properties.option	event_properties.option		metric
event_properties.order_channel	event_properties.order_channel	The channel through which an order was placed.	dimension
event_properties.order_id	event_properties.order_id	A unique identifier for a customer order.	dimension
event_properties.order_number	event_properties.order_number	The numerical identifier assigned to a customer order.	metric
event_properties.order_total	event_properties.order_total	The total monetary value of a customer order.	metric
event_properties.order_type	event_properties.order_type	The classification of an order, such as ‘online’ or ‘in-store’.	dimension
event_properties.page	event_properties.page	Custom property indicating the page where the event occurred.	metric
event_properties.page_size	event_properties.page_size		metric
event_properties.path	event_properties.path	The URL path of a web page, excluding the domain and query parameters.	dimension
event_properties.payment_intent	event_properties.payment_intent		dimension
event_properties.payment_method	event_properties.payment_method	The method used for payment, such as ‘credit card’ or ‘PayPal’.	dimension
event_properties.platform	event_properties.platform	The platform where the event occurred (e.g., web, iOS, Android). Amplitude also tracks ‘Platform’ as a default user property.	dimension
event_properties.price	event_properties.price	The monetary price of a product or service.	metric
event_properties.productId	event_properties.productId	A unique identifier for a product. This is a common property for e-commerce events.	dimension
event_properties.products	event_properties.products	A list or array of product objects associated with an event, such as in a purchase event.	dimension
event_properties.products.brand	event_properties.products.brand	The brand of a product within the ‘products’ array.	dimension
event_properties.products.currency	event_properties.products.currency	The currency of the product’s price.	dimension
event_properties.products.customer_type	event_properties.products.customer_type	The customer type associated with the purchase of a specific product.	dimension
event_properties.products.item_id	event_properties.products.item_id	The unique identifier for an item within the ‘products’ array.	dimension
event_properties.products.name	event_properties.products.name	The name of a product within the ‘products’ array.	dimension
event_properties.products.price	event_properties.products.price	The price of a product within the ‘products’ array.	dimension
event_properties.products.productId	event_properties.products.productId	The unique product ID within the ‘products’ array.	dimension
event_properties.products.product_id	event_properties.products.product_id	The unique product ID within the ‘products’ array.	dimension
event_properties.products.quantity	event_properties.products.quantity	The quantity of a product purchased within the ‘products’ array.	dimension
event_properties.products.total_list_price	event_properties.products.total_list_price	The total list price for a product, reflecting its original, non-discounted price multiplied by quantity.	dimension
event_properties.products.total_net_price	event_properties.products.total_net_price	The total net price for a product, reflecting its price after any discounts but before taxes and shipping, multiplied by quantity.	dimension
event_properties.products.total_sale_price	event_properties.products.total_sale_price	The total sale price for a product, reflecting its discounted price multiplied by quantity.	dimension
event_properties.products.unit_list_price	event_properties.products.unit_list_price	The original, non-discounted price of a single unit of a product.	dimension
event_properties.products.unit_sale_price	event_properties.products.unit_sale_price	The discounted price of a single unit of a product.	dimension
event_properties.products.variant	event_properties.products.variant	The specific variant of a product (e.g., size, color) within the ‘products’ array.	dimension
event_properties.quantity	event_properties.quantity	The quantity of items associated with an event.	metric
event_properties.rating	event_properties.rating	A numerical rating provided by a user.	metric
event_properties.reason	event_properties.reason		dimension
event_properties.redirect_status	event_properties.redirect_status		dimension
event_properties.referrer	event_properties.referrer	Custom property indicating the referrer URL for the event.	dimension
event_properties.revenue	event_properties.revenue	The monetary revenue generated by an event or transaction.	metric
event_properties.screenType	event_properties.screenType		dimension
event_properties.screen_name	event_properties.screen_name		dimension
event_properties.search	event_properties.search	Indicates a search action or contains details about a search.	dimension
event_properties.search_query	event_properties.search_query	The text string entered by the user in a search bar.	dimension
event_properties.search_result_clicked	event_properties.search_result_clicked	A boolean indicating whether a search result was clicked.	dimension
event_properties.search_result_count	event_properties.search_result_count	The total number of results returned by a search query.	metric
event_properties.search_suggestion_clicked	event_properties.search_suggestion_clicked	A boolean indicating whether a search suggestion was clicked.	dimension
event_properties.search_term	event_properties.search_term		dimension
event_properties.section	event_properties.section	A specific section or area within an application or web page.	dimension
event_properties.shipping	event_properties.shipping	The cost of shipping associated with a transaction.	metric
event_properties.sort_by	event_properties.sort_by		dimension
event_properties.source	event_properties.source	The origin of an event or the source of traffic.	dimension
event_properties.start_date	event_properties.start_date	The start date of an event or time range.	dimension
event_properties.state_change_source	event_properties.state_change_source		dimension
event_properties.subscription_status	event_properties.subscription_status	The current status of a user’s subscription (e.g., ‘active’, ‘inactive’, ‘trial’).	dimension
event_properties.subtotal	event_properties.subtotal	The subtotal amount of an order before taxes and shipping.	metric
event_properties.subtype	event_properties.subtype		dimension
event_properties.tax	event_properties.tax		metric
event_properties.term	event_properties.term	A search term or keyword.	dimension
event_properties.title	event_properties.title	The title of a page, content, or item.	dimension
event_properties.token	event_properties.token		dimension
event_properties.travel_date	event_properties.travel_date		dimension
event_properties.type	event_properties.type	The general classification or category of an entity or event.	dimension
event_properties.url	event_properties.url	The full URL of the current page where the event occurred.	dimension
event_properties.user_agent	event_properties.user_agent	The user agent string of the browser or device, providing information about the client environment.	dimension
event_properties.utm_campaign	event_properties.utm_campaign	The name of the marketing campaign that led to the event. This is a standard UTM parameter used for tracking marketing campaign performance.	dimension
event_properties.utm_content	event_properties.utm_content	Used to differentiate similar content, or links within the same ad. This is a standard UTM parameter used for tracking marketing campaign performance.	dimension
event_properties.utm_creative	event_properties.utm_creative	The UTM parameter indicating the specific creative or ad being used in a campaign.	metric
event_properties.utm_medium	event_properties.utm_medium	The medium (e.g., cpc, banner, email) that brought the user to the site. This is a standard UTM parameter used for tracking marketing campaign performance.	dimension
event_properties.utm_source	event_properties.utm_source	The source (e.g., google, newsletter) that sent traffic to the property. This is a standard UTM parameter used for tracking marketing campaign performance.	dimension
event_properties.value	event_properties.value	A numerical value associated with an event, often representing monetary value or a quantity. For example, it can be used for revenue tracking in e-commerce events.	dimension
event_properties.view	event_properties.view		dimension
event_time	event_time	UTC ISO-8601 formatted timestamp indicating when the event occurred.	dimension
event_type	event_type	The name or type of the event.	dimension
idfa	idfa	The Identifier for Advertisers (IDFA) for iOS devices, used for tracking and attribution.	dimension
ip_address	ip_address	The IP address of the user when the event occurred.	dimension
is_attribution_event	is_attribution_event	A boolean indicating whether the event is an attribution event.	dimension
language	language	The language setting of the user’s device or browser.	dimension
library	library	The name of the Amplitude SDK library used to send the event.	dimension
location_lat	location_lat	The latitude coordinate of the user’s location.	metric
location_lng	location_lng	The longitude coordinate of the user’s location.	metric
os_name	os_name	The name of the operating system (e.g., iOS, Android, Windows).	dimension
os_version	os_version	The version of the operating system.	dimension
paying	paying	Indicates if the user is a paying user.	dimension
platform	platform	The platform where the event occurred (e.g., Web, iOS, Android).	dimension
processed_time	processed_time	UTC ISO-8601 formatted timestamp indicating when the event was processed by Amplitude.	dimension
region	region	The region or state where the event occurred, derived from the user’s IP address.	dimension
server_received_time	server_received_time	UTC ISO-8601 formatted timestamp indicating when Amplitude servers received the event.	dimension
server_upload_time	server_upload_time	UTC ISO-8601 formatted timestamp indicating when the event data was uploaded to Amplitude servers.	dimension
session_id	session_id	A unique identifier for the user’s session.	dimension
start_version	start_version	The version of the application or product when the user’s session started.	dimension
user_creation_time	user_creation_time	UTC ISO-8601 formatted timestamp indicating when the user was first identified.	dimension
user_id	user_id	A unique identifier for the user.	dimension
user_properties.$set.referrer	user_properties.$set.referrer	The referring URL that brought the user to the current page. The ‘$set’ operation updates the value of this user property.	dimension
user_properties.$set.utm_campaign	user_properties.$set.utm_campaign	The UTM parameter identifying the specific campaign that referred the user. The ‘$set’ operation updates the value of this user property.	dimension
user_properties.$set.utm_content	user_properties.$set.utm_content	The UTM parameter identifying the specific content that referred the user. The ‘$set’ operation updates the value of this user property.	dimension
user_properties.$set.utm_medium	user_properties.$set.utm_medium	The UTM parameter identifying the marketing medium that referred the user. The ‘$set’ operation updates the value of this user property.	dimension
user_properties.$set.utm_source	user_properties.$set.utm_source	The UTM parameter identifying the source that referred the user. The ‘$set’ operation updates the value of this user property.	dimension
user_properties.$set.utm_term	user_properties.$set.utm_term	The UTM parameter identifying paid search terms that referred the user. The ‘$set’ operation updates the value of this user property.	dimension
user_properties.$setOnce.initial_referrer	user_properties.$setOnce.initial_referrer	The initial referring URL that brought the user to the application, set only once when the user is first identified. The ‘$setOnce’ operation sets the value only if it hasn’t been set before.	dimension
user_properties.$setOnce.initial_utm_campaign	user_properties.$setOnce.initial_utm_campaign	The initial UTM campaign that referred the user, set only once when the user is first identified. The ‘$setOnce’ operation sets the value only if it hasn’t been set before.	dimension
user_properties.$setOnce.initial_utm_content	user_properties.$setOnce.initial_utm_content	The initial UTM content that referred the user, set only once when the user is first identified. The ‘$setOnce’ operation sets the value only if it hasn’t been set before.	dimension
user_properties.$setOnce.initial_utm_medium	user_properties.$setOnce.initial_utm_medium	The initial UTM medium that referred the user, set only once when the user is first identified. The ‘$setOnce’ operation sets the value only if it hasn’t been set before.	dimension
user_properties.$setOnce.initial_utm_source	user_properties.$setOnce.initial_utm_source	The initial UTM source that referred the user, set only once when the user is first identified. The ‘$setOnce’ operation sets the value only if it hasn’t been set before.	dimension
user_properties.$setOnce.initial_utm_term	user_properties.$setOnce.initial_utm_term	The initial UTM term that referred the user, set only once when the user is first identified. The ‘$setOnce’ operation sets the value only if it hasn’t been set before.	dimension
user_properties.address.city	user_properties.address.city	The city component of the user’s address. Amplitude can derive this from IP address.	dimension
user_properties.address.country	user_properties.address.country	The country component of the user’s address. Amplitude can derive this from IP address.	dimension
user_properties.address.state	user_properties.address.state	The state or region component of the user’s address. Amplitude can derive this from IP address.	dimension
user_properties.content_language	user_properties.content_language	The language preference for content displayed to the user.	dimension
user_properties.initial_referrer	user_properties.initial_referrer	User property representing the initial referrer URL at the start of a user’s journey.	dimension
user_properties.initial_utm_campaign	user_properties.initial_utm_campaign	User property representing the initial UTM campaign parameter at the start of a user’s journey.	dimension
user_properties.initial_utm_content	user_properties.initial_utm_content	User property representing the initial UTM content parameter at the start of a user’s journey.	dimension
user_properties.initial_utm_medium	user_properties.initial_utm_medium	User property representing the initial UTM medium parameter at the start of a user’s journey.	dimension
user_properties.initial_utm_source	user_properties.initial_utm_source	User property representing the initial UTM source parameter at the start of a user’s journey.	dimension
user_properties.initial_utm_term	user_properties.initial_utm_term	User property representing the initial UTM term parameter at the start of a user’s journey.	dimension
user_properties.language	user_properties.language	The language setting of the user’s device or application.	dimension
user_properties.referrer	user_properties.referrer	User property representing the referrer URL.	dimension
user_properties.utm_campaign	user_properties.utm_campaign	User property representing the UTM campaign parameter.	dimension
user_properties.utm_content	user_properties.utm_content	Used to differentiate similar content, or links within the same ad, associated with a user. This is a standard UTM parameter tracked as a user property for marketing attribution.	dimension
user_properties.utm_medium	user_properties.utm_medium	User property representing the UTM medium parameter.	dimension
user_properties.utm_source	user_properties.utm_source	User property representing the UTM source parameter.	dimension
user_properties.utm_term	user_properties.utm_term	User property representing the UTM term parameter.	dimension
uuid	uuid	A universally unique identifier for the event.	dimension
version_name	version_name	The version name of the application or product.	dimension