diff --git a/addons/om_account_followup/models/account_move.py b/addons/om_account_followup/models/account_move.py
new file mode 100644
index 0000000..bc7bf41
--- /dev/null
+++ b/addons/om_account_followup/models/account_move.py
@@ -0,0 +1,13 @@
+from odoo import api, fields, models, _
+
+
+class AccountMoveLine(models.Model):
+    _inherit = 'account.move.line'
+
+    followup_line_id = fields.Many2one('followup.line', 'Follow-up Level')
+    followup_date = fields.Date('Latest Follow-up')
+    result = fields.Float(compute='_get_result', string="Balance Amount")
+
+    def _get_result(self):
+        for aml in self:
+            aml.result = aml.debit - aml.credit