Contact identifier
Abstract
Overview of the contact identifier in xDB Data Migration Tool.
A contact identifier is created for the identifier on the Sitecore 8.x contact.
Source object  | Document from the   | 
Property on source object  | 
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Target object  | 
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Contact identifier source  | 
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Contact identifier level  | 
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Mapping definition  | MongoDB to xConnect Contact Mappings > MongoDB Contact Identifier to xConnect Contact Identifier Constructor  |