# Ds-license(Digitale Samlinger) by the Royal Danish Library. ## Ds-license restricts access to items in collections based on the user credential information. The primary method in Ds-license is to filter a list of IDs (recordIds) and only return the subset ID's that the user has access to based in the user information. Access can be restricted to a presentationtype value. (Download,Search etc.) The filtering is done against a Solr server with all information about the ...