> For the complete documentation index, see [llms.txt](https://docs.digitalriver.com/salesforce-lightning/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.digitalriver.com/salesforce-lightning/salesforce-lightning-b2b-commerce-app-1.6/integrate-the-salesforce-lightning-app/step-17-integrate-the-digital-river-components-into-the-checkout-flow/subflow-configuration/configure-the-payment-and-billing-address-subflow/link-screen-components.md).

# Link screen components

{% hint style="info" %}
To delete an existing link, click the link line between two elements and press the **Delete** key on your keyboard.
{% endhint %}

1. Click the circle below the **paymentMethodScreen** and drag it to the **placeOrderConfirmation** screen.\
   ![](/files/4098aCgzKC4ZNctR32Tx)
2. Click the circle below **placeOrderConfirmation** custom screen) and drag it to the **Validate Checkout State** subflow.\
   ![](/files/CrkU12vrCyeHA57cUv43)
3. Click the circle below the **Which payment type is selected** decision element and drag it to the **Assign PO to null** when the payment type is Digital River.\
   ![](/files/FyU7saEqAAMjnul34Mf8)
4. Click the circle below the **Update Address if change**d decision element and drag it to the Set **State** subflow.\
   ![](/files/uG3DdJ09jLSHV8oKfL3t)
5. Click **Save as** and enter a name for the custom subflow (for example, `DR payments`).
6. Click **Activate**.