add info on search personalization

Author: guimachiavelli

.code-samples.meilisearch.yaml

@@ -1295,7 +1295,7 @@ analytics_event_conversion_1: |-
   curl \
     -X POST 'https://PROJECT_URL/events' \
     -H 'Content-Type: application/json' \
-    -H 'Authorization: Bearer DEFAULT_SEARCH_API_KEY'
+    -H 'Authorization: Bearer DEFAULT_SEARCH_API_KEY' \
     --data-binary '{
       "eventType": "conversion",
       "eventName": "Product Added To Cart",

docs.json

@@ -191,6 +191,7 @@
               {
                 "group": "Personalization",
                 "pages": [
+                  "learn/personalization/making_personalized_search_queries",
                   "learn/personalization/search_personalization"
                 ]
               },

learn/personalization/making_personalized_search_queries.mdx

@@ -0,0 +1,54 @@
+---
+title: Performing personalized search queries
+description: Search personalization uses context about the person performing the search to provide results more relevant to that specific user. This tutorial guides you through configuring and performing personalized search queries.
+---
+
+## Requirements
+
+- A Meilisearch project
+- Self-hosted Meilisearch users: a Cohere API key
+
+## Activate personalized search
+
+### Cloud users
+
+Open a support ticket requesting Meilisearch to activate search personalization for your project.
+
+### Self-hosted users
+
+Relaunch your instance using the search personalization instance option:
+
+```sh
+meilisearch --experimental-personalization-api-key="COHERE_API_KEY"
+```
+
+## Generating user context
+
+Search personalization requires a description about the user performing the search. Meilisearch does not currently provide automated generation of user context.
+
+You’ll need to **generate a dynamically plain-text user description** for each search request. This should summarize relevant traits, such as:
+
+- Category preferences like brand and size
+- Price sensitivity
+- Possible use cases
+- Other information regarding user interests
+
+The re-ranking model is optimized to favor positive signals. For best results, focus on affirmatively stated preferences, behaviors, and affinities, such as "likes the color red" and "prefers cheaper brands" over "dislikes blue" and "is not interested in luxury brands".
+
+## Perform a personalized search
+
+Once search personalization is active and you have a pipeline in place to generate user profiles, you are ready to perform personalized searches.
+
+Submit a search query and include the `personalize` search parameter in your query. `personalize` must be an object with a single field, `userContext`. Use the description in  `userContext`:
+
+```sh
+curl \
+  -X POST 'MEILISEARCH_URL/indexes/INDEX_NAME/search' \
+  -H 'Content-Type: application/json' \
+  --data-binary '{ 
+    "q": "wireless keyboard",
+    "personalize": {
+      "userContext": "The user prefers compact mechanical keyboards from Keychron or Logitech, with a mid-range budget and quiet keys for remote work."
+    }
+  }'
+```

learn/personalization/search_personalization.mdx

@@ -20,6 +20,12 @@ For example, in an e-commerce site, someone who often shops for sportswear might
 
 ## How can I enable search personalization in Meilisearch?
 
-Search personalization is still in early development and not publicly available.
+Search personalization is an experimental feature.
+
+If you are a Meilisearch Cloud user, contact support to activate it for your projects.
+
+If you are self-hosting Meilisearch, relaunch it using the [search personalization instance option](/learn/self_hosted/configure_meilisearch_at_launch#search-personalization).
+
+early development and not publicly available.
 
 If you are a Cloud customer and would like to try it out, [get in touch](https://meetings-eu1.hubspot.com/guillaume-mourier/search-personalization)!

learn/resources/experimental_features_overview.mdx

@@ -62,3 +62,4 @@ Activating or deactivating experimental features this way does not require you t
 | [Multimodal search](/reference/api/settings)                                                    | Enable multimodal search                                                   | API route                                   |
 | [Disable new indexer](/learn/self_hosted/configure_meilisearch_at_launch)                       | Use previous settings indexer                                              | CLI flag or environment variable            |
 | [Experimental vector store](/reference/api/settings)                       | Enables index setting to use experimental vector store                                              | API route            |
+| [Search personalization](/learn/personalization/making_personalized_search_queries)                       | Enables search personalization                                              | CLI flag or environment variable            |

learn/self_hosted/configure_meilisearch_at_launch.mdx

@@ -552,6 +552,15 @@ Helps running Meilisearch in cluster environments. It does this by modifying tas
 
 Falls back to previous settings indexer.
 
+### Search personalization <NoticeTag type="experimental" label="experimental" />
+
+**Environment variable**: `MEILI_EXPERIMENTAL_PERSONALIZATION_API_KEY`<br />
+**CLI option**: `--experimental-personalization-api-key`<br />
+**Default value**: `None`<br />
+**Expected value**: a Cohere API key
+
+Enables search personalization. Must be a valid Cohere API key in string format.
+
 ### S3 options
 
 #### Bucket URL

reference/api/search.mdx

@@ -99,6 +99,7 @@ By default, [this endpoint returns a maximum of 1000 results](/learn/resources/k
 | **[`retrieveVectors`](#display-_vectors-in-response)**  | Boolean          | `false`       | Return document and query vector data                         |
 | **[`locales`](#query-locales)**                         | Array of strings | `null`        | Explicitly specify languages used in a query        |
 | **[`media`](#media)**                                   | Object           | `null`        | Perform AI-powered search queries with multimodal content         |
+| **[`personalize`](#search-personalization)**                                   | Object           | `null`        | Perform AI-powered searches that return different results based on a user's profile          |
 
 ### Response
 
@@ -1371,3 +1372,17 @@ It is mandatory to specify an embedder when using `media`. `media` is incompatib
   …
 }
 ```
+
+### Search personalization <NoticeTag type="experimental" label="experimental" />
+
+**Parameter**: `personalize`<br />
+**Expected value**: Object<br />
+**Default value**: `null`
+
+<Note>
+This is an experimental feature. Contact Meilisearch Cloud support to enable it for your projects. If self-hosting, relaunch your instance providing a Cohere key to the search personalization instance option.
+</Note>
+
+Adds user context to [personalize search results according to user profile](/learn/personalization/making_personalized_search_queries).
+
+`personalize` must be an object. It must include a single field, `userContext`.`userContext` must be a string describing the user performing the search.