In theory, Marketo should not have duplicate records with the same email address, but this is often not the case in actual use. This means when choosing a record to emulate for sending a sample email, there can be multiple results returned when looking for an email address. If there are three firstname.lastname@example.org records, all three will be listed in the Send Sample dialog box—but there's no good way today to quickly understand which of the three options you're choosing correlates to what record.
Would it be possible to add an additional identifier, such as Marketo ID, Unique Code or Unique Name that could either be displayed in the UI or used as a secondary search criteria? This ensures when there are material differences (such as one variant having custom objects attached) that testing can occur quicker and with less confusion.
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