> For the complete documentation index, see [llms.txt](https://docs.limio.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.limio.com/integrations/using-limio-for-salesforce/payment-method-options/invoice-payment-method.md).

# Invoice as a Payment Method

Invoice is included in the out-of-the-box payment options in the Limio Acquisition Flow since package version **11.55**.

In order to implement Invoice as a payment option in any of your existing Limio flow copies, follow these steps:

<figure><img src="/files/WdtzCloPuW6wiada8tB1" alt=""><figcaption></figcaption></figure>

1. **Update Payment Selection Screen:**
   * Add the 'Invoice' option to the Select Payment dropdown on the Payment Selection Screen.
2. **Modify Decision Element:**
   * In the Decision element, introduce a new path specifically for the 'Invoice' payment option.
3. **Create Invoice Delivery Preferences:**
   * Utilize a standard flow Picklist element to establish a list of invoice delivery preferences. By default, options include 'Post' and 'Email.'
4. **Generate Text Formula Resource:**
   * Create a new text formula resource, and reference the selected invoice delivery preference using the following format<br>

     `'{"type": "invoice","invoicePref":"' & {!How_should_the_invoice_be_delivered} & '"}'`<br>

     <figure><img src="/files/61GwAxdcQDvLuQrVqOF4" alt=""><figcaption></figcaption></figure>
5. **Assign Formula Value:**
   * Assign the value derived from the new formula to a flow **payment** property:<br>

     <figure><img src="/files/irubtTi1quoTa3lWkOFZ" alt=""><figcaption></figcaption></figure>
6. **Capture Billing Details:**
   * Ensure the capture Billing Details and map them to the appropriate fields within the **billingAddress** flow property.

For a step by step overview of these key elements, please refer to the short Loom video below:

{% embed url="<https://www.loom.com/share/450b63a1e3824e09a8a0074db3d4dfb8>" %}


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