add new module

hr_employee_transfer/models/hr_contract.py

@@ -0,0 +1,16 @@
+from odoo import models, fields, api
+
+
+class HrContract(models.Model):
+    _inherit = 'hr.contract'
+
+    company_id = fields.Many2one('res.company', 'Company', default=lambda self: self.env.user.company_id)
+    from_transfer = fields.Boolean(string='Transferred', default=False)
+    emp_transfer = fields.Many2one('employee.transfer', string='Transferred Employee', help="Transferred employee")
+
+    @api.model
+    def create(self, vals):
+        res = super(HrContract, self).create(vals)
+        if res.emp_transfer:
+            self.env['employee.transfer'].browse(res.emp_transfer.id).write({'state': 'done'})
+        return res