Salesforce CRT-450 Question Answer
What is an example of a polymorphic lookup field in Salesforce?
The Parentid field on the standard Account object
A custom field, Link__c, on the standard Contact object that looks up to an Account or a Campaign
The Whatld field on the standard Event object
The LeadId and Contactid fields on the standard Campaign Member object
Polymorphic Lookup Fields:
These fields can reference multiple object types.
Example: TheWhatIdfield on Event can reference any object that is related to the Event, such as Account or Opportunity.
Why Not Other Options?
A:ParentIdon Account is not polymorphic; it only points to other Accounts.
B: Custom fields cannot be polymorphic.
D:LeadIdandContactIdare specific fields, not polymorphic.
TESTED 13 Jul 2025
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