Add fix Option in table type value set

Summary:

I have a table type value set that return a list of departments. I want to add 'All Departments' as an option.

Here the current configuration. (Without 'All Department')

FROM Clause: HR_ORG_UNIT_CLASSIFICATIONS_F hac, HR_ALL_ORGANIZATION_UNITS_F hao, HR_ORGANIZATION_UNITS_F_TL haotl

Value Column Name: substr(haotl.name,1,125)

WHERE Clause: hao.ORGANIZATION_ID = hac.ORGANIZATION_ID 

and sysdate between hao.EFFECTIVE_START_DATE AND hao.EFFECTIVE_END_DATE 

AND hao.ORGANIZATION_ID = haotl.ORGANIZATION_ID 

AND hao.EFFECTIVE_START_DATE BETWEEN hac.EFFECTIVE_START_DATE AND hac.EFFECTIVE_END_DATE 

AND haotl.LANGUAGE = USERENV('LANG')