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Universal Containers has a new custom object for Invoices that includes an Invoice Number field, Before the Invoice object can be used, invoices will be migrated from an external system maintaining their current Invoice Number. After the migration, salesforce will be the system of record and each new Invoice created in Salesforce must have a unique Invoice Number. How should the app builder configure the Invoice Number field?
Correct Answer: B
The Invoice Number field should be a Text field and marked as a unique external ID field. This will allow the migration of invoices from an external system while maintaining their original Invoice Number. It will also ensure that each new Invoice created in Salesforce has a unique Invoice Number.