---
title: Configuring an adapter instance
description: Create an adapter instance to make the username attribute available in your service provider connection to Citrix Gateway.
component: citrix-adc
page_id: citrix-adc:creating_a_single_sign-on_connection:pf_citrix_adc_integration_configuring_an_adapter_instance
canonical_url: https://docs.pingidentity.com/integrations/citrix-adc/creating_a_single_sign-on_connection/pf_citrix_adc_integration_configuring_an_adapter_instance.html
llms_txt: https://docs.pingidentity.com/integrations/citrix-adc/llms.txt
docs_for_agents: https://developer.pingidentity.com/build-with-ai/docs-for-agents.md
revdate: June 26, 2024
section_ids:
  steps: Steps
---

# Configuring an adapter instance

Create an adapter instance to make the username attribute available in your service provider connection to Citrix Gateway.

## Steps

1. Click **Map New Adapter Instance**.

2. On the **Adapter Instance** tab, in the **Adapter Instance** list, select an adapter instance that can access the username in your user store, such as **HTML Form Adapter**. Click **Next**.

3. On the **Mapping Method** tab, click **Next**.

4. On the **Attribute Contract Fulfillment** tab, on the **SAML_SUBJECT** line, in the **Source** list, select **Adapter**.

5. On the **SAML_SUBJECT** line, in the **Value** list, select **username**. Click **Next**.

6. On the **Issuance Critera** tab, click **Next**.

7. On the **Summary** tab, check that the configuration is correct, and then click **Done**.