Invoice¶ class bale.Invoice(title, description, start_parameter, currency, total_amount)¶ Bases: object This object shows Invoice title¶ Product name. Type: str description¶ Product description. Type: str start_parameter¶ Unique bot deep-linking parameter that can be used to generate this invoice. Type: str currency¶ Three-letter ISO 4217 currency code. Type: str total_amount¶ Total price in the smallest units of the currency (integer, not float/double). Type: int