---
title: "Contact identifier value accessor"
slug: "contact-identifier-value-accessor"
abstract: "Introduction to the Contact identifier value accessor in Sitecore Data Exchange Framework."
---
# Contact identifier value accessor

This value accessor provides the ability to add a contact identifier to a contact.

| Expected source/target object type | `Sitecore.DataExchange.Providers.XConnect.Models.ContactModel` |
| --- | --- |
| Template location | *Data Exchange/Providers/xConnect/Data Access/Value Accessors/xConnect Contact Identifier Value Accessor* |

> [!note]
> This value accessor is write-only.

## Template fields

| Field name | Description |
| --- | --- |
| Constructor Mapping Set | The component where the mapping instructions for how to create the contact identifier are defined. |