To customize the retail/MOTO iframe, include a settings object as a query parameter in your request to https://retail.nexiopaysandbox.com.
You can include settings with or without a Simple Login key.

See the examples below:

Save Card Iframe without Simple Login

https://retail.nexiopaysandbox.com/?settings={%22uiOptions%22:{%22saveCard%22:true} }

Run Transaction Iframe with Simple Login and a Default Amount of $20

https://retail.nexiopaysandbox.com/?simpleLogin={key}&settings={%22processingOptions%22:{%22amountDefault%22:"20"} }

Customization options

The following table shows the accepted parameters for the uiOptions object to use for customizing your retail iframe.

Name	Description
`amountSet`	Prepopulates the amount field. User will not be able to change it
`amountDefault`	Prepopulates the amount field. User will be able to change it
`amountMax`	The maximum amount the user may enter into the amount field
`hideAuthOnly`	Hides or display the Auth Only Checkbox (default: `true`)
`hideBilling`	Hides or displays all billing fields (default: `false`)
`limitCountriesTo`	If this array is nonempty, the Country Dropdown field will be limited to the countries on the list. Note: These must be the two-character (Alpha-2) ISO country codes
`merchantIdDefault`	Prepopulates the merchant dropdown. User will be able to change it
`merchantIdSet`	Prepopulates the merchant dropdown. User will not be able to change it