Update contacts

Version:

The Contact class does not have any properties with a public setter. Refer to the following documentation for information about modifying facets and identifiers:

Set and update contact facets
Add or remove a contact identifiers

A contact’s LastUpdated and ConcurrencyToken properties are updated in the following scenarios:

When a contact is added
When a contact identifier is added
When a contact identifier is removed

Adding or updating facets does not change the contact’s LastUpdated property.

If you have suggestions for improving this article, let us know!