Use this property to link items that represent legal cases to the corresponding case items in google scholar. The Identifier can be obtained from the case field in the query of a google scholar case url. For example if the case's URL is https://scholar.google.com/scholar_case?case=14280344726083989095&q=GPL&hl=en&as_sdt=6,316 then the Google Scholar case ID is 14280344726083989095 (en)