API Reference / API Methods / Recommend / Get trending facets
Required API Key: any key with the search ACL
Method signature
$recommendClient->getTrendingFacets(array requests)

About this method

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Retrieve trending facet values for a specific facet attribute.

Examples

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client.getTrendingFacets([
  {
    indexName: 'your_index_name',
    threshold: 80,
    facetName: 'movie_genre'
  },
])
.then(({ results }) => {
  console.log(results);
})
.catch(err => {
  console.log(err);
});

Parameters

requests
type: list of request object
Required

A list of request objects to execute.

requests ➔ request object

indexName
type: string
Required

The name of the target index.

threshold
type: number
Required

Threshold for the recommendations confidence score (between 0 and 100). Only recommendations with a greater score are returned.

maxRecommendations
type: number

The number of recommendations to retrieve. Depending on the available recommendations and the other request parameters, the actual number of hits may be lower than that. If maxRecommendations isn’t provided or set to 0, all matching recommendations are returned, and no fallback request is performed.

facetName
type: string
Required

The facet attribute to get recommendations for.

Response

This section shows the JSON response returned by the API. Since each language encapsulates this response inside objects specific to that language and/or implementation, the actual type in your language might differ from what’s written here. You can view the response in the logs (using the getLogs method).

JSON format

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{
  "results": [
    {
      "exhaustiveNbHits": true,
      "exhaustiveTypo": true,
      "hits": [
        {
          "_score": 98,
          "facetName": "movie_genre",
          "facetValue": "adventure"
        },
        {
          "_score": 91.02,
          "facetName": "movie_genre",
          "facetValue": "action"
        },
        {
          "_score": 82,
          "facetName": "movie_genre",
          "facetValue": "thriller"
        }
      ],
      "hitsPerPage": 1000,
      "nbHits": 3,
      "nbPages": 1,
      "page": 0
    }
  ]
}
results
list of result

List of results in the order they were submitted, one per query.

{
  "results": [
    {
      "hits": [
        {
          ...,
          _score: 32.72
        }
      ],
    },
  ]
}

results ➔ result

The results object contains the same hits object as the one of the search method. The results do not contain objectID as they do not refer to a specific item. Each result also includes the following additional field:

_score
number

The confidence score of the recommended facet value, the closer it’s to 100, the more relevant.

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