payee_bank_code

extend_params

payee_account_type

return_params

trade_currency

pay_tool

category_code

payee_account_no

payee_account_name

trade_source

notify_url

biz_trade_no

out_trade_no

seller_info

out_trade_date

trade_amount

payee_bank_fullname

request_datetime

trade_subject

payee_card_type

payee_mobile