invoice_datestring required
Date of the invoice in DD-MM-YYYY format
due_datestring required
Due date for the invoice in DD-MM-YYYY format
signature_text_headerstring
Text above the document signature area
signature_text_footerstring
Text below the document signature area
terms_conditionstring
Terms and conditions for the invoice
notesstring
Additional notes for the invoice
additional_infoobject
Additional information for the invoice
additional_discountnumber double
Additional discount applied to the transaction -- default to absolute amount in case additional_discount_type is missing
additional_discount_type'percentage' | 'amount'
Discount type applied to the whole invoice - can either be "percentage" or "amount"
is_manually_calculatedboolean