It can be accessed under the Stores menu > Configuration > ElasticSuite entry > Visual Search

miscellaneous-footer-settings

Parameter Default value Description
Url empty The external Visual Search API url provided by the Elasticsuite team
Allowed extensions (comma separated) jpg,jpeg The supported file formats that can be used for Visual Search
Maximum size (kb) 100 The maximum image size that can be used for Visual Search
Optimal resized width (px) 640 The resize size of images that are used for Visual Search (depends on the API)
Api Terms Mapping empty A mapping of terms returned by the Visual Search API. The API will return one term per product, and the returned terms will not be translated, so if you are having multiple store views, you’ll need to map the terms in all languages here.