public override object GetValue(IFieldSet fields, IPage page = null)
        {
            var linkedKeyword = fields.GetLinkedKeyword(SchemaFieldName);

            if (linkedKeyword != null)
            {
                return(KeywordViewModelBuilder.Build(linkedKeyword, TargetType));
            }
            return(null);
        }
        public override IEnumerable <object> GetMultiValue(IFieldSet fields, IPage page = null)
        {
            var linkedKeywords = fields.GetLinkedKeywordMultiValue(SchemaFieldName);

            return(linkedKeywords.Select(keyword => KeywordViewModelBuilder.Build(keyword, TargetType)));
        }