***

id: ea1e9493-a7cb-47c8-8651-d020ec16dde7
title: Parameter
sidebar-title: Parameter
slug: /cxml/reference/voice/pay/parameter
position: 1
max-toc-depth: 3
----------------

The `<Parameter>` noun within the `<Pay>` verb enables you to:

* Pass custom parameters to your payment processor when using a Generic Pay Connector
* Include additional ACH payment details not covered by the standard `<Pay>` verb attributes

## Attributes

| Attribute                    | Type   | Default | Description                                   |
| ---------------------------- | ------ | ------- | --------------------------------------------- |
| `name`<span>required</span>  | string | -       | The identifier for your custom parameter.     |
| `value`<span>required</span> | string | -       | The value associated with the parameter name. |

## Examples

### Adding custom parameters for generic transaction

```xml
<?xml version="1.0" encoding="UTF-8"?>
<Response>
    <Pay chargeAmount="10.00" paymentConnector="https://example/signalwire/parameter/pay" action="https://example/signalwire/parameter/pay/action">
        <Parameter name="my_custom_parameter_1" value="my_custom_value_1" />
    </Pay>
</Response>
```