# payment

↔ Request/Response parameter

## `<payment>`

The payment parameters contain the payment method and related payment details.

| Type | Condition |
|  --- | --- |
| paymentType | Mandatory |


## `<payment@method>`

Customer's chosen payment method

| Type | Condition | Enumeration |
|  --- | --- | --- |
| xs:string | Mandatory for:- `PAYMENT_REQUEST`Optional for:- all other operations | - `INVOICE`- `INSTALLMENT`- `ELV`- `PREPAYMENT` |


## `<payment@currency>`

| Type | Condition | Enumeration |
|  --- | --- | --- |
| xs:string | Optional | - `CHF`- `EUR` |