Field	Type	Indexed	Description	Example
subUnitCode	string	No	Sub Unit Code	"subUnitCode": "LRD"
subUnitName	string	No	Sub Unit Name in English	"subUnitName": "LIBRARY RESOURCES AND DEVELOPMENT SECTION"
chinSubUnitName	string	No	Sub Unit Name in Chinese	"chinSubUnitName": "圖書館資源及發展處"
portSubUnitName	string	No	Sub Unit Name in Portuguese	"portSubUnitName": "Secção de Recursos e Desenvolvimento da Biblioteca"