View Source ExTDLib.Object.InputMessageInvoice (ExTDLib v0.0.4)

A message with an invoice; can be used only by bots.

NameTypeDescription
invoiceinvoiceInvoice.
titlestringProduct title; 1-32 characters.
descriptionstringProduct description; 0-255 characters.
photo_urlstringProduct photo URL; optional.
photo_sizenumberProduct photo size.
photo_widthnumberProduct photo width.
photo_heightnumberProduct photo height.
payloadbytesThe invoice payload.
provider_tokenstringPayment provider token.
provider_datastringJSON-encoded data about the invoice, which will be shared with the payment provider.
start_parameterstringUnique invoice bot deep link parameter for the generation of this invoice. If empty, it would be possible to pay directly from forwards of the invoice message.
extended_media_contentInputMessageContentThe content of extended media attached to the invoice. The content of the message to be sent. Must be one of the following types: inputMessagePhoto, inputMessageVideo.

More details on telegram's documentation.