# enter\_amount\_discount

{% columns %}
{% column width="33%" %}
![](/files/67LvtvOrmyonk52qviV3)
{% endcolumn %}

{% column %}
**Description**

Merchant is prompted to enter the transaction amount. The amount is validated against configuration to make sure that it is within the allowed maximum. For purchase, 0 amount is not allowed.

\
**Merchant/Customer action**

Selecting *Card* starts the card payment.

Selecting *Other* prompts the user for other transaction options.

\
**Configuration Parameters**

`Merchant.Currency.MaxPurchaseAmount` - the transaction amount + tax should be below Merchant.Currency.MaxPurchaseAmount, otherwise the transaction will be declined.

`Merchant.Currency.MaxManagerRefundAmount` - the maximum refund amount allowed by Manager.

`Merchant.Currency.MaxCashierRefundAmount` - the maximum refund amount allowed by Cashier.

`VPOS.enable_itemization_plus_sign` - the itemized basket and plus sign are displayed.
{% endcolumn %}
{% endcolumns %}

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