AReference fieldin ServiceNow allows you tolook up values from another table, effectively creating a relationship between two tables. When a user selects a value in a reference field, they are selecting a record from the referenced table.
Stores asys_id(unique identifier) of a record from another table.
Displays a user-friendly label from the referenced record.
Allowsdot-walking, enabling access to related fields from the referenced table.
Incident Table (source table)# Contains a"Caller"field that references theUser Table(sys_user).
TheCallerfield allows users to select a user from theUser Table.
B: Verity# Not a valid field type in ServiceNow.
C: Options# Options are typically used in choice lists, not for referencing another table.
D: Selections# No such field type exists in ServiceNow.
E: Dot Walk# Dot-walking is afeaturethat allows accessing related fields but is not a field type itself.
F: Lookup# While "Lookup Select Box" exists, it functions differently by filtering choices rather than directly referencing another table.
Reference:ServiceNow Docs: Field Types
ServiceNow Docs: Reference Fields
ServiceNow CSA Official Study Materials