|photo|[InputWebDocument](../types/InputWebDocument.md) | Optional|URL of the product photo for the invoice. Can be a photo of the goods or a marketing image for a service. People like it better when they see what they are paying for.|
|invoice|[Invoice](../types/Invoice.md) | Yes|The actual invoice|
|payload|[bytes](../types/bytes.md) | Yes|Bot-defined invoice payload, 1-128 bytes. This will not be displayed to the user, use for your internal processes.|
|provider|[string](../types/string.md) | Yes|Payments provider token, obtained via [Botfather](https://t.me/botfather)|