---
schema_version: "1"
id: d30b040d200fbd179f5ea0c8faae6a53e80f4dfafdda5207aaf9047649b3cedd
title: Configure the Identity System for Mobile Apps
collection: admin
version: current
locale: en-us
portal_url: https://docs.salesforce.com/admin/current/en-us/mktg/264-0-0/mc_pers_identity_mobile_apps_configure.md
canonical_url: https://help.salesforce.com/s/articleView?id=mktg.mc_pers_identity_mobile_apps_configure.htm&release=264.0.0&type=5
source_site: help.salesforce.com
content_type: documentation
content_hash: a24fc8654f41f1eb691fa2acb26e9055398db6d18eeb3ae3438182a830fe0094
description: Select the identity attribute that Personalization uses for identity lookup and merging user profiles in mobile apps. If you have active mobile app campaigns, changing this setting can impact the content that appears for those campaigns.
products:
  - Marketing
  - Salesforce Personalization
release: "264"
---
# Configure the Identity System for Mobile Apps

Select the identity attribute that Personalization uses for identity lookup and merging user profiles in mobile apps. If you have active mobile app campaigns, changing this setting can impact the content that appears for those campaigns.

### Required Editions

<table class="slds-table slds-table_bordered slds-max-medium-table_stacked slds-m-bottom_small permission">
        <colgroup>
          <col style="width:50%">
          <col style="width:50%">
        </colgroup>
        <thead class="slds-text-title_caps ">
          <tr class="">
            <th scope="colgroup" class="slds-cell-wrap" colspan="2" style="text-align:center;vertical-align:top;" id="d60469e38">Permissions
              Needed</th>
          </tr>
        </thead>
        <tbody>
          <tr class="">
            <td data-label="Permissions Needed" class="slds-cell-wrap" style="vertical-align:top;" headers="d60469e38 ">To configure the identity system:</td>

            <td class="slds-cell-wrap" style="vertical-align:top;" headers="d60469e38 ">A role with Administrator permissions</td>

          </tr>
        </tbody>
      </table>

1. From the main navigation, select **Settings** | **General Setup**.
2. Expand **Advanced Options**.
3. From the **Select the Identity attribute to use as the Mobile app Identity** dropdown, select the identity type.
4. Save your work.

#### See Also

- [Identity System for Mobile Apps](https://help.salesforce.com/s/articleView?id=mktg.mc_pers_identity_mobile_apps_about.htm&release=264.0.0&type=5 "The Personalization identity system enables you to select a default identity attribute to match users between your mobile application and Personalization. Personalization uses only one identity attribute in looking up and merging mobile app events.")