Your integration may add custom parameters. The tables only list parameters that exist in Synerise and SDKs/APIs by default.
## recommendation.generated
A recommendation was generated for a profile. You can use the data from this event to analyze which recommendation campaigns and types are displayed, what items are recommended, and so on.
**Default retention**: 30 days
| Parameter | Type | Example | Description |
| --- | --- | --- | --- |
| Base parameters | various | n/a | [Parameters that may exist in all events](/docs/assets/events/event-reference/common-parameters#base-parameters) |
| campaignId | string | `mXRQzZjARZhz` | ID of the recommendation campaign |
| contextItem | array | `["10990874"]` | `itemId`s of the items that were used as the context of the recommendation |
| type | string | `recommendations-complement-basket` | Type of the recommendation |
| catalogId | string | `5464` | Item catalog that was used in the recommendation |
| correlationId | string | `43cc2e3f-df11-4c78-abe1-4d0710abba3f` | Correlation ID is used to associate events that are the result of the same request, for example to link a recommendation frame with a recommendation.click event or a search request with an item.search.click event. |
| experimentId | integer | `930` | ID of the A/B test |
| variantId | integer | `2484` | ID of the variant for A/B test |
| recommendedItems | array | `["0000209942583","0000207614376","0000301228783","5901985665329"]` | The IDs of items that were recommended. Use in [analyses](/docs/analytics) instead of the `results` parameter. |
| results | array of objects | `[{"item":"12000254","score":"0.062140"}]` | A list of item that were recommended, with their scores on a scale from 0 to 1, where 1 is the highest score. The parameter is available upon request. Unusable in [analyses](/docs/analytics). |
| Additional parameters | any | `lorem ipsum` | Additional parameters that were added to the recommendation request, in the `params` parameter. |
## recommendation.view
A recommendation frame was displayed to a viewer. The parameters may include a list of the items in the frame, depending on your implementation.
**Default retention**: 30 days
| Parameter | Type | Example | Description |
| --- | --- | --- | --- |
| Base parameters | various | n/a | [Parameters that may exist in all events](/docs/assets/events/event-reference/common-parameters#base-parameters) |
| items | array | `["12345","67890"]` | An array of items that were displayed, identified by `itemId` (also called sku, productId, or retailer_part_no in some APIs and SDKs). |
| campaignId | string | `mXRQzZjARZhz` | ID of the recommendation campaign |
| correlationId | string | `43cc2e3f-df11-4c78-abe1-4d0710abba3f` | Correlation ID is used to associate events that are the result of the same request, for example to link a recommendation frame with a recommendation.click event or a search request with an item.search.click event. |
## recommendation.click
A recommended item was clicked.
**Default retention**: 30 days
| Parameter | Type | Example | Description |
| --- | --- | --- | --- |
| Base parameters | various | n/a | [Parameters that may exist in all events](/docs/assets/events/event-reference/common-parameters#base-parameters) |
| item | string | `12345` | The item that was clicked, identified by `itemId` (also called sku, productId, or retailer_part_no in some APIs and SDKs). |
| campaignId | string | `mXRQzZjARZhz` | ID of the recommendation campaign |
| correlationId | string | `43cc2e3f-df11-4c78-abe1-4d0710abba3f` | Correlation ID is used to associate events that are the result of the same request, for example to link a recommendation frame with a recommendation.click event or a search request with an item.search.click event. |
## recommendation.seen
Event from content widget. Sent by mobile SDKs separately for each item in a displayed recommendation. The SDK can be configured to send a `recommendation.view` event instead, which sends all items in one event.
**Default retention**: 30 days
| Parameter | Type | Example | Description |
| --- | --- | --- | --- |
| Base parameters | various | n/a | [Parameters that may exist in all events](/docs/assets/events/event-reference/common-parameters#base-parameters) |
| campaignId | string | `mXRQzZjARZhz` | ID of the recommendation campaign |
## variant.assign
Event generated as a result of assigning a customer to a variant of an A/B/X test of a recommendation, AI Search, or dynamic content (for variant optimizer feature driven by AI engine).
**Default retention** 30 days
| Parameter | Type | Example | Description |
| --- | --- | --- | --- |
| Base parameters | various | n/a | [Parameters that may exist in all events](/docs/assets/events/event-reference/common-parameters#base-parameters) |
| experimentId | integer | `930` | ID of the A/B test |
| variantId | integer | `2484` | ID of the variant for A/B test |
| variantName | string | `FV5PIcmhmN0p` | ID of the recommendation campaign assigned to the test variant |