Optional
The user-supplied reference field on the bank transfer.
The funding method type used to fund the customer balance. Permitted values include: eu_bank_transfer, gb_bank_transfer, jp_bank_transfer, mx_bank_transfer, or us_bank_transfer.
eu_bank_transfer
gb_bank_transfer
jp_bank_transfer
mx_bank_transfer
us_bank_transfer
The user-supplied reference field on the bank transfer.