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- Field with empty data mean "ignore this field".
- Put value '=' will remove the current value in system.
- Field with data will be imported.
A contact can be Individual or Structure so for Contact creation case: At least FIRSTNAME, LASTNAME or STRUCT_NAME must have data.
In case you want to associate a contact to a criteria or structure type. Follow these links: Contact criteria definition and Structure type definition to create the records.
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