---
schema_version: "1"
id: 41dea8a3b033a294ac697afea5988ca83618463e08e9f5f7c62d9305095838bc
title: Configure a Key Qualifier Field
collection: admin
version: current
locale: en-us
portal_url: https://docs.salesforce.com/admin/current/en-us/data/264-0-0/c360_a_add_or_view_key_qualifier.md
canonical_url: https://help.salesforce.com/s/articleView?id=data.c360_a_add_or_view_key_qualifier.htm&release=264.0.0&type=5
source_site: help.salesforce.com
content_type: documentation
content_hash: 3c919426447bd68060390f1763281065e091dded859dab8d423fffee96537db1
description: After creating a data stream, add key qualifiers to your data lake object (DLO) fields to create fully qualified keys (FQK). Configure key qualifiers for all DLO fields that contain either a primary or foreign key. You can add up to 20 active key qualifiers. A key qualifier is active when it's used for a DLO field. Data 360 automatically adds and removes key qualifiers to and from data model object (DMO) fields. You can't edit these system fields.
products:
  - Data 360
release: "264"
---
# Configure a Key Qualifier Field

After creating a data stream, add key qualifiers to your data lake object (DLO) fields to create fully qualified keys (FQK). Configure key qualifiers for all DLO fields that contain either a primary or foreign key. You can add up to 20 active key qualifiers. A key qualifier is active when it's used for a DLO field. Data 360 automatically adds and removes key qualifiers to and from data model object (DMO) fields. You can't edit these system fields.

### Required Editions

![Note](https://sf-zdocs-cdn-prod.zoominsoftware.com/tdta-data-data_cloud-264-0-0-production-enus/f3569962-3c9b-4f83-9d0c-b6a574e785da/images/icon_note.png)

Note To add key qualifiers to a companion org, add them to the home org and wait at least 10 minutes for the companion org to sync with the home org.

<table class="slds-table slds-table_bordered slds-max-medium-table_stacked slds-m-bottom_small edition"><colgroup><col></colgroup><tbody><tr class=""><td class="slds-cell-wrap" style="vertical-align:top;">Available in: <strong>All Editions</strong> supported by Data 360. See <a href="https://help.salesforce.com/s/articleView?id=data.c360_a_dc_editions.htm&amp;language=en_US" target="_blank">Data 360 edition availability</a>.</td></tr></tbody></table>

1. Go to the Data Lake Objects tab.
2. Select the DLO and the DLO field.
3. For the field, click ![List menu down arrow](https://sf-zdocs-cdn-prod.zoominsoftware.com/tdta-data-data_cloud-264-0-0-production-enus/f3569962-3c9b-4f83-9d0c-b6a574e785da/data_cloud/images/c360_a_audience_list_menu_arrow.png), and select **Add Key Qualifier**.
    
    ![The Add Key Qualifier option in the DLO field dropdown menu](https://sf-zdocs-cdn-prod.zoominsoftware.com/tdta-data-data_cloud-264-0-0-production-enus/f3569962-3c9b-4f83-9d0c-b6a574e785da/data_cloud/images/data_lake_add_key_qualifier_full.png)
4. You can either add an existing key qualifier or create one.
    1. To add an existing key qualifier, select a key qualifier label, and click **Add**.
    2. To create a key qualifier, click **New Key Qualifier** and enter a label, API name, and an optional description.
        
        ![The New Key Qualifier dialog with label, API name, and description fields](https://sf-zdocs-cdn-prod.zoominsoftware.com/tdta-data-data_cloud-264-0-0-production-enus/f3569962-3c9b-4f83-9d0c-b6a574e785da/data_cloud/images/data_lake_new_key_qualifier.png)
    3. To view existing key qualifiers and fields that share key qualifiers, click ![List menu down arrow](https://sf-zdocs-cdn-prod.zoominsoftware.com/tdta-data-data_cloud-264-0-0-production-enus/f3569962-3c9b-4f83-9d0c-b6a574e785da/data_cloud/images/c360_a_audience_list_menu_arrow.png) for the data lake object field, and select **View Key Qualifiers**. Filter or search to target your results.
        
        ![The View Key Qualifiers panel showing fields that share key qualifiers](https://sf-zdocs-cdn-prod.zoominsoftware.com/tdta-data-data_cloud-264-0-0-production-enus/f3569962-3c9b-4f83-9d0c-b6a574e785da/data_cloud/images/data_lake_view_key_qualifier.png)