Can you please help how to populate the values for the below attributes for a Lead. "Do Not Call Cause, Inferred Postal Code,Lead Revenue Cycle Model ID, Lead Revenue Stage ID, External Company Id, External Sales Person Id" When tried to import values for above fields they are ignored stating that they are System Managed. Attached the screenshots showing the attributes of "Do Not Call Cause" and "Inferred Postal Code" in the Marketo website where they are read only.
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