list filter for product

backend/product/admin.py

@@ -201,7 +201,7 @@ class ProductVariantAdmin(ModelAdmin, ImportExportModelAdmin):
     readonly_fields = ['price', 'created_at']
     list_display = ('product', 'created_at')
     # inlines = [DetailModelInLine]
-
+from unfold.contrib.filters.admin import RelatedDropdownFilter
 @admin.register(ProductModel)
 class ProductModelAdmin(ModelAdmin, ImportExportModelAdmin):
     import_form_class = ImportForm
@@ -209,7 +209,7 @@ class ProductModelAdmin(ModelAdmin, ImportExportModelAdmin):
     inlines = [ProductVariantInLine]
     readonly_fields = ('slug', 'created_at')
     search_fields = ['name', 'description', ]
-    list_filter = ['show', 'category', 'show_in_bot']
+    list_filter = ['show', ('category', RelatedDropdownFilter), 'show_in_bot', ('category__parent', RelatedDropdownFilter)]
     autocomplete_fields = ['related_products', 'shop']
     # compressed_fields = True
     warn_unsaved_form = True