diff --git a/event_sale_balance/__manifest__.py b/event_sale_balance/__manifest__.py
index 006d92d..a696e66 100644
--- a/event_sale_balance/__manifest__.py
+++ b/event_sale_balance/__manifest__.py
@@ -28,6 +28,7 @@
     ],
     "data": [
         "views/product_product.xml",
+        "views/product_template.xml",
     ],
     "css": [],
     "images": [],
diff --git a/event_sale_balance/i18n/fr.po b/event_sale_balance/i18n/fr.po
new file mode 100644
index 0000000..99cdb6f
--- /dev/null
+++ b/event_sale_balance/i18n/fr.po
@@ -0,0 +1,49 @@
+# Translation of Odoo Server.
+# This file contains the translation of the following modules:
+# 	* event_sale_balance
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: Odoo Server 16.0+e-20230613\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2024-01-13 13:10+0000\n"
+"PO-Revision-Date: 2024-01-13 13:10+0000\n"
+"Last-Translator: \n"
+"Language-Team: \n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: \n"
+"Plural-Forms: \n"
+
+#. module: event_sale_balance
+#: model:ir.model.fields,field_description:event_sale_balance.field_product_product__balance_variant_id
+#: model:ir.model.fields,field_description:event_sale_balance.field_product_template__balance_variant_id
+msgid "Balance variant"
+msgstr "Article de solde"
+
+#. module: event_sale_balance
+#: model:ir.model,name:event_sale_balance.model_event_registration
+msgid "Event Registration"
+msgstr "Inscription à l'événement"
+
+#. module: event_sale_balance
+#: model:ir.model.fields,field_description:event_sale_balance.field_product_product__is_event_deposit
+#: model:ir.model.fields,field_description:event_sale_balance.field_product_template__is_event_deposit
+msgid "Event deposit"
+msgstr "Arrhe d'évènement"
+
+#. module: event_sale_balance
+#: model_terms:ir.ui.view,arch_db:event_sale_balance.product_template_form_view_inherit
+#: model_terms:ir.ui.view,arch_db:event_sale_balance.product_variant_easy_edit_view_inherit
+msgid "Event sale"
+msgstr "Ventes sur évènements"
+
+#. module: event_sale_balance
+#: model:ir.model,name:event_sale_balance.model_product_template
+msgid "Product"
+msgstr "Produit"
+
+#. module: event_sale_balance
+#: model:ir.model,name:event_sale_balance.model_product_product
+msgid "Product Variant"
+msgstr "Variante de produit"
diff --git a/event_sale_balance/models/product_template.py b/event_sale_balance/models/product_template.py
index 3bfbf6b..c20b0ce 100644
--- a/event_sale_balance/models/product_template.py
+++ b/event_sale_balance/models/product_template.py
@@ -1,8 +1,87 @@
-from odoo import models, fields
+from odoo import models, fields, api
 
 
 class ProductTemplate(models.Model):
     _inherit = "product.template"
 
-    is_event_deposit = fields.Boolean("Event deposit")
-    balance_variant_id = fields.Many2one("product.product", string="Balance variant")
+    is_event_deposit = fields.Boolean(
+        string="Event deposit",
+        compute="_compute_is_event_deposit",
+        inverse="_set_is_event_deposit",
+        search="_search_is_event_deposit",
+    )
+    balance_variant_id = fields.Many2one(
+        comodel_name="product.product",
+        string="Balance variant",
+        compute="_compute_balance_variant_id",
+        inverse="_set_balance_variant_id",
+        search="_search_balance_variant_id",
+    )
+
+    @api.depends("product_variant_ids.is_event_deposit")
+    def _compute_is_event_deposit(self):
+        self.is_event_deposit = False
+        for template in self:
+            variant_count = len(template.product_variant_ids)
+            if variant_count == 1:
+                template.is_event_deposit = (
+                    template.product_variant_ids.is_event_deposit
+                )
+            elif variant_count == 0:
+                archived_variants = template.with_context(
+                    active_test=False
+                ).product_variant_ids
+                if len(archived_variants) == 1:
+                    template.is_event_deposit = archived_variants.is_event_deposit
+
+    def _search_is_event_deposit(self, operator, value):
+        query = self.with_context(active_test=False)._search(
+            [("product_variant_ids.is_event_deposit", operator, value)]
+        )
+        return [("id", "in", query)]
+
+    def _set_is_event_deposit(self):
+        variant_count = len(self.product_variant_ids)
+        if variant_count == 1:
+            self.product_variant_ids.is_event_deposit = self.is_event_deposit
+        elif variant_count == 0:
+            archived_variants = self.with_context(active_test=False).product_variant_ids
+            if len(archived_variants) == 1:
+                archived_variants.is_event_deposit = self.is_event_deposit
+
+    @api.depends("product_variant_ids.balance_variant_id")
+    def _compute_balance_variant_id(self):
+        self.balance_variant_id = False
+        for template in self:
+            variant_count = len(template.product_variant_ids)
+            if variant_count == 1:
+                template.balance_variant_id = (
+                    template.product_variant_ids.balance_variant_id
+                )
+            elif variant_count == 0:
+                archived_variants = template.with_context(
+                    active_test=False
+                ).product_variant_ids
+                if len(archived_variants) == 1:
+                    template.balance_variant_id = archived_variants.balance_variant_id
+
+    def _search_balance_variant_id(self, operator, value):
+        query = self.with_context(active_test=False)._search(
+            [("product_variant_ids.balance_variant_id", operator, value)]
+        )
+        return [("id", "in", query)]
+
+    def _set_balance_variant_id(self):
+        variant_count = len(self.product_variant_ids)
+        if variant_count == 1:
+            self.product_variant_ids.balance_variant_id = self.balance_variant_id
+        elif variant_count == 0:
+            archived_variants = self.with_context(active_test=False).product_variant_ids
+            if len(archived_variants) == 1:
+                archived_variants.balance_variant_id = self.balance_variant_id
+
+    def _get_related_fields_variant_template(self):
+        return super()._get_related_fields_variant_template() + [
+            "is_event_deposit",
+            "balance_variant_id",
+        ]
diff --git a/event_sale_balance/views/product_product.xml b/event_sale_balance/views/product_product.xml
index bfc5c27..9d63b22 100644
--- a/event_sale_balance/views/product_product.xml
+++ b/event_sale_balance/views/product_product.xml
@@ -12,13 +12,14 @@
       <group name="product_variant_images" position="after">
         <group name="event" string="Event sale" attrs="{'invisible': [('detailed_type','!=','event')]}">
           <field name="is_event_deposit" />
-          <field name="balance_variant_id" options="{'no_create': 1}" />
+          <field name="balance_variant_id" options="{'no_create': 1}"
+            attrs="{'invisible':[('is_event_deposit','=',False)],'required':[('is_event_deposit','=',True)]}" />
         </group>
       </group>
     </field>
   </record>
 
-  <record id="product_normal_form_view_inherit" model="ir.ui.view">
+  <!-- <record id="product_normal_form_view_inherit" model="ir.ui.view">
     <field name="name">product.product.view.form.inherit</field>
     <field name="model">product.product</field>
     <field name="inherit_id" ref="product.product_normal_form_view" />
@@ -30,6 +31,6 @@
         </group>
       </group>
     </field>
-  </record>
+  </record> -->
 
 </odoo>
\ No newline at end of file
diff --git a/event_sale_balance/views/product_template.xml b/event_sale_balance/views/product_template.xml
new file mode 100644
index 0000000..ecf17d1
--- /dev/null
+++ b/event_sale_balance/views/product_template.xml
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+
+  <record id="product_template_form_view_inherit" model="ir.ui.view">
+    <field name="name">product.template.common.form.inherit</field>
+    <field name="model">product.template</field>
+    <field name="inherit_id" ref="product.product_template_form_view" />
+    <field name="arch" type="xml">
+      <group name="description" position="after">
+        <group name="event" string="Event sale"
+          attrs="{'invisible': ['|',('detailed_type','!=','event'),'&amp;',('product_variant_count','>', 1), ('is_product_variant', '=', False)]}">
+          <field name="is_event_deposit" />
+          <field name="balance_variant_id" options="{'no_create': 1}"
+            attrs="{'invisible':[('is_event_deposit','=',False)],'required':[('is_event_deposit','=',True)]}" />
+        </group>
+      </group>
+    </field>
+  </record>
+
+</odoo>
\ No newline at end of file