Your integration may add custom parameters. The tables only list parameters that exist in Synerise and SDKs/APIs by default.

## item.search AI search returned response to a search request. **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) | | totalResults | number | `45` | The number of results returned by the search. | | query | string | `shoes` | The query string that was searched. | | personalized | boolean | `true` | Informs if the search was personalized by the AI. | | total | number | `45` | The number of results returned by the search. | | filters | array of objects | `[{"name": "deleted","value": "!= 1"}]` | Filters that were used in the search | | correlationId | string | `ef3f2774b3c14ff3fb3c892c4da2d4ae` | Correlation ID for pagination. | | index | string | `afc98c53b968b4c47ff1e21e7219d4f41668083405` | ID of the search index that was used. | | appliedRules | array of numbers | `[435,234]` | Query rules that were applied to the search | | searchType | string | `full-text-search` | The search type | | Additional parameters | any | `lorem ipsum` | Additional parameters that were added to the search request, in the `params` parameter. | | Parameters added by Synerise Web SDK | various | n/a | If the event was sent from a web page or an email with a tracking code, [some parameters are added automatically](/docs/assets/events/event-reference/common-parameters#parameters-added-by-web-sdk). | ## item.search.classification AI search returned response to a search request using [predictive filtering](/docs/ai-hub/ai-search/predictive-filtering). | 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) | | chosenCategories | object | `[{"score": 275,"reliabilityLevel":"VeryHigh","ctr": "0.9581881533101045","actions": ["staticFilter","elasticFilter","boosting"],"category":"boots"}]` | The list of categories returned by predictive filtering with: the score, average CTR for all categories, reliability level, filter options; | | categories[reliabilityLevel] | object | `["boots"]` |An array of predicted categories at a specific reliability level (low, medium, high, very high, certain) | | query | string | `shoes` | The query string that was searched. | | index | string | `afc98c53b968b4c47ff1e21e7219d4f41668083405` | ID of the search index that was used. | | 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. | ## item.search.click An item was clicked in an AI search result. **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 | `16874` | ID of the clicked item. Must be the same as the item's `itemId` in the item feed and `sku` in transaction events. | | 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. | | position | integer | `2` | Position of the clicked item in the search results | | searchType | string | `full-text-search` | The search type | | Parameters added by Synerise Web SDK | various | n/a | If the event was sent from a web page or an email with a tracking code, [some parameters are added automatically](/docs/assets/events/event-reference/common-parameters#parameters-added-by-web-sdk). | ## suggestion.search A request to a suggestion index has been sent.

The `suggestion.search` and `suggestion.search.click` events are free until December 31, 2025. After that date, you will be charged for these events.

**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) | | searchType | string | `full-text-search` | The search type | | position | integer | `2` | Position of the clicked suggestion in the search results | | correlationId | string | `ef3f2774b3c14ff3fb3c892c4da2d4ae` | Correlation ID for pagination. | ## 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 |