from odoo import api, fields, models class ProjectProjectStage(models.Model): _inherit = 'project.project.stage' requires_acceptance = fields.Boolean('Require Acceptance') class ProjectTask(models.Model): _inherit = 'project.task' task_acceptance = fields.Selection([('accept', 'Accepted'), ('decline', 'Decline'), ('feedback', 'Feedback Provided')],'Task Acceptance', traking=True)