To update the flow to create a Contact and store the Contact's ID on the Opportunity:
Option D: Add a new Create Records element.
Steps:
Add Create Records Element: Configure it to create a Contact and store the newly created Contact's ID in a variable.
Update Opportunity: Use the existing Update Records element or add a new one to update the Opportunity with the Contact's ID.
Reference:
"Use the Create Records element to create records in your flow."
- Salesforce Help: Create Records Element
Why Other Options Are Incorrect:
Option A: An Update Records element cannot create a new Contact.
Option B: A Get Records element retrieves existing records but does not create new ones.
Option C: Roll Back Records is used to undo record changes in the flow transaction.