from odoo import fields, models class SpreadsheetCellThread(models.Model): _inherit = "spreadsheet.cell.thread" document_id = fields.Many2one("documents.document", readonly=True, ondelete="cascade") template_id = fields.Many2one("spreadsheet.template", readonly=True, ondelete="cascade") def _get_spreadsheet_record(self): return super()._get_spreadsheet_record() or self.document_id or self.template_id