[ CCode ( array_length = false , array_null_terminated = true ) ]
[ Version ( deprecated = true , deprecated_since = "0.17.7" , since = "0.15.1" ) ]
public string[] filter { get; set; }
Warning: filter is deprecated since 0.17.7.
Array of properties (eg.
Google Freebase has been permanently shut down.
"/common/topic/description", or "/computer/software/first_released"), or property domains (eg. "/common/topic", or "/computer") to be used as filter.