Create callback request,_*_ specifies mandatory field in transaction.

- **id***: _Unique id, the card issuer's public transaction id._
- **transaction_reference***: _Unique id, the card issuer's public transaction id._
- **auth_code***: _The identifier received for the authorization from the network. Some clearings do not have an auhtorization id._
- **auth_date***: _Transaction date. Date of the transaction. _
- **auth_time***: _Transaction time. Timestamp of the transaction in ISO 8601. _
- **auth_timezone***: _Transaction timezone._
- **auth_masked_card_number***: _Masked card no. _
- **reference_no***: _Retrieval reference number for the transaction._
- **type**: _type of transaction, enum: CARD_PURCHASE, CASH_WITHDRAWAL, CASH_DEPOSIT, CASHBACK, ACCOUNT_TRANSFER, MOBILE_PURCHASE, INTERNET_PURCHASE, RECURRING_PURCHASE, QUASI_CASH, MAIL_ORDER_OR_TELEPHONE_ORDER, RETURN, SPECIAL_PAYMENT_TRANSACTION, OTHER, CARD_ON_FILE_
- **state***: _State of the transaction payment processing, enum: AUTHORIZED, DEBITED, DELETED, PSP_DEBITED, PREAUTHORIZED_
- **exp**: _Transactions in AUTHORIZED state have an expiration time, after which they must be discarded, unless a change event comes and changes the transactions state to DEBITED, example: 2019-11-01T04:30:53Z._
- **fx_rate**: _Foreign currency exchange rate used to clear a transaction. (If applicable.)_
- **fx_markup**: _markup fee added for foreign transaction. (If applicable.)_
- **invoiced_amount**: _Invoiced amount. Purchase amount in cardholder currency. Purchases (money is taken from card/account) have a negative amount, and refunds have a pos itive amount._
- **invoiced_currency**: _Invoiced currency code, i.e. the cardholder's own currency._
- **auth_amount***: _Original amount if purchase done in some other currency._
- **auth_currency***: _Original currency code the transaction was done in._

_Merchant_
- **merchant_no***: _Card Acceptor Id, Merchant id._
- **merchant_name***: _Card Acceptor Name._
- **merchant_street_address**: _Street address of merchant. If applicable._
- **merchant_city**: _City of merchant. If applicable._
- **merchant_telephone**: _Telephone number. If applicable._
- **merchant_country**: _Country, two-letter ISO country code of merchant. If applicable._
- **terminal_id***: _Card Acceptor Terminal Id._
- **mcc**: _Merchant Category Code. If applicable._

- **card_holder_present**: _Cardholder present, not present, e-commerce, telephone, online. If applicable._
- **buyer_id**: _org.no for corporate card, then buyer party id for the corporate customer. If applicable._
- **departure_date** [delivery note]: _Travel agency submitted departure date. If applicable._
- **invoice_number** [delivery note]: _Travel agency submitted invoice number / delivery note number. If applicable._
- **partner_id** [delivery note]: _Card issuer partner code for travel agency. If applicable._
- **etn_digid_prefix** [airline data]: _Date of travel for airline transaction data. If applicable._
- **receipt_no** [airline data]: _Ticket number for airline transaction data. If applicable._