How to create a set of dependent dropdown fields (Location, Building, Room) for a catalog request?

[vzhang188]

How do I create a set of dependent dropdown fields (Location, Building, Room) where the options in each subsequent field are filtered based on the selection in the preceding one, using a lookup select box variable type.

[Alp Utku]

https://www.servicenow.com/docs/bundle/zurich-platform-administration/page/administer/field-administ...

Data Lookups could help