observable:whoisContactType leaf node

@prefix core: <https://ontology.unifiedcyberontology.org/uco/core/> .
@prefix observable: <https://ontology.unifiedcyberontology.org/uco/observable/> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix vocabulary: <https://ontology.unifiedcyberontology.org/uco/vocabulary/> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

observable:whoisContactType a owl:DatatypeProperty ;
    rdfs:label "whoisContactType"@en ;
    rdfs:comment "Specifies what type of WHOIS contact this is."@en ;
    rdfs:range [ a rdfs:Datatype ;
            owl:unionOf ( xsd:string vocabulary:WhoisContactTypeVocab ) ] ;
    rdfs:subPropertyOf core:informalType .