attributesToTransliterate
'attributesToTransliterate' => array(
  'attribute',
  // ...
)
        
    Can be used in these methods:
    
        
          setSettings
        
        
          set_settings
        
        
          setSettings
        
        
          set_settings
        
        
          setSettings
        
        
          setSettings
        
        
          SetSettings
        
        
          setSettings
        
        
          SetSettings
        
        
          setSettings
        
  
About this parameter
Specify on which attributes to apply transliteration.
Transliteration lets you search in one alphabet and find results in another. For example, in Japanese, transliterations lets users search in Hiragana, and find results that are indexed in Kanji or Katakana.
Usage notes
- Only Japanese is supported
 - You need to set 
indexLanguagestoja 
Examples
Set attributes to transliterate
The following example enables transliteration when searching in the name or description attribute.
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$index->set_settings(array(
  'indexLanguages' => ['ja'],
  'attributesToTransliterate' => array(
    'name',
    'description'
  )
));