from odoo import models, fields class PosPayment(models.Model): _inherit = 'pos.payment' pine_labs_plutus_transaction_ref = fields.Char( string='Pine Labs PlutusTransactionReferenceID', help='Required during the refund order process: https://developer.pinelabs.com/in/instore/cloud-integration#Example-JSON-request-for-Void-ICB-on-UPI-transaction')