description
This guide describes possible parameters and user properties that can be sent to integrations.

Event Parameters and User Properties

Apphud can send events about subscriptions and non-renewing purchases to third party services: mobile analytics and messengers.

Events Parameters

Here is a list of all available parameters that are being sent with events:

Parameter	Description
`product_id` or`af_content_id` or `content_items[0].$sku` or `fb_content_id`	Product identifier
`transaction_id`	Transaction identifier
`unit`	The increment of time that a subscription period is specified in. Possible values: `day`, `week`, `month`, `year`
`units_count`	The number of units per subscription period
`local_price` or`af_revenue` or `_valueToSum`	The cost of the product in the local currency
`currency` or`af_currency` or `fb_currency`	Local currency ISO code
`usd_price` or`content_items[0].$price`	The cost of the product in USD
`price_description`	Price description in following format: `local_price` `currency` ~ `usd_price`, for example: 499 RUR ~ 7.8 USD
`reason`	1. The reason of an expiration of a subscription. Possible values: `user_canceled`, `billing_issue`, `declined_price_increase`, `unavailable_product`, `unknown_error` 2. The reason of refund. Possible values: `app_issue`, `another_reason`
`offer_id`	Promotional offer identifier
`offer_type`	Introductory or promotional offer payment mode, if applied. Possible values: `pay_up_front`, `pay_as_you_go`, `trial` (for promotional offers)
`app_name`	App name
`user_id`	User identifier
`group_name`	Subscription group name

{% hint style="info" %} To get more details about parameters in each integration, please check corresponding integration guide. {% endhint %}

user_canceled: user canceled subscription manually;
billing_issue: there was an error during billing;
declined_price_increase: user did not agree to a recent price increase;
unavailable_product: product was not available for purchase at the time of renewal;
unknown_error: unknown error occurred.

app_issue: user canceled his subscription due to an actual or perceived issue within your app;
another_reason: subscription was canceled for another reason, for example, if the user made the purchase accidentally.

Besides events Apphud also sends user properties to analytics:

Property	Description
`[Apphud] status-<group_name>`, where `<group_name>` – name of subscription group	Status of subscription. Possible values: `none`, `trial`, `intro`, `regular`, `promo`, `refunded`, `expired`
`[Apphud] autorenew-<group_name>`, where `<group_name>` – name of subscription group	Whether autorenew option is turned on
`[Apphud] total_spent`	Total amount of money that user has been charged, in USD
`[Apphud] paying`	Whether user is paying or not
`[Apphud] payments_count`	Number of transactions user has been charged

To get more details about user properties in each integration, please check corresponding integration guide.

All values are applied for given subscription group: