Here you have to create a new group like this:

Then, create a new menu like this:

Then, Add your desired users into the group through settings menu.
Now you can see the menu. Also you need to give csv security if you have multiple group access on the same custom model.
Hope it may help you

Dear,

I added user to group with custimized menu. But I get error as below when click new menu (customization menu)

Error: NameError: name 'active_id' is not defined

http://localhost:8069/web/content/663-8060d20/web.assets_backend.js:1326Traceback: PY_ensurepy@http://localhost:8069/web/content/663-8060d20/web.assets_backend.js:1326:65py.evaluate@http://localhost:8069/web/content/663-8060d20/web.assets_backend.js:1441:8py.evaluate@http://localhost:8069/web/content/663-8060d20/web.assets_backend.js:1449:96py.evaluate@http://localhost:8069/web/content/663-8060d20/web.assets_backend.js:1450:191py.eval@http://localhost:8069/web/content/663-8060d20/web.assets_backend.js:1454:281eval_contexts/<@http://localhost:8069/web/content/663-8060d20/web.assets_backend.js:1590:107iterator@http://localhost:8069/web/content/439-1efe2bc/web.assets_common.js:14:183createReduce/<@http://localhost:8069/web/content/439-1efe2bc/web.assets_common.js:17:8_.mixin/</_.prototype[name]@http://localhost:8069/web/content/439-1efe2bc/web.assets_common.js:69:521eval_contexts@http://localhost:8069/web/content/663-8060d20/web.assets_backend.js:1588:124eval_contexts/<@http://localhost:8069/web/content/663-8060d20/web.assets_backend.js:1590:253iterator@http://localhost:8069/web/content/439-1efe2bc/web.assets_common.js:14:183createReduce/<@http://localhost:8069/web/content/439-1efe2bc/web.assets_common.js:17:8_.mixin/</_.prototype[name]@http://localhost:8069/web/content/439-1efe2bc/web.assets_common.js:69:521eval_contexts@http://localhost:8069/web/content/663-8060d20/web.assets_backend.js:1588:124pyeval@http://localhost:8069/web/content/663-8060d20/web.assets_backend.js:1602:24ActionManager<.do_action@http://localhost:8069/web/content/663-8060d20/web.assets_backend.js:1648:213.on_menu_action/</<@http://localhost:8069/web/content/663-8060d20/web.assets_backend.js:1713:35Mutex.prototype.exec/<@http://localhost:8069/web/content/439-1efe2bc/web.assets_common.js:3201:136.Deferred/promise.then/</</<@http://localhost:8069/web/content/439-1efe2bc/web.assets_common.js:547:678jQuery.Callbacks/fire@http://localhost:8069/web/content/439-1efe2bc/web.assets_common.js:541:281jQuery.Callbacks/self.add@http://localhost:8069/web/content/439-1efe2bc/web.assets_common.js:542:467.Deferred/promise.then/</<@http://localhost:8069/web/content/439-1efe2bc/web.assets_common.js:547:631.each@http://localhost:8069/web/content/439-1efe2bc/web.assets_common.js:370:758.Deferred/promise.then/<@http://localhost:8069/web/content/439-1efe2bc/web.assets_common.js:547:553.Deferred@http://localhost:8069/web/content/439-1efe2bc/web.assets_common.js:548:189.Deferred/promise.then@http://localhost:8069/web/content/439-1efe2bc/web.assets_common.js:547:518Mutex.prototype.exec@http://localhost:8069/web/content/439-1efe2bc/web.assets_common.js:3201:98.on_menu_action/<@http://localhost:8069/web/content/663-8060d20/web.assets_backend.js:1712:180.Deferred/promise.then/</</<@http://localhost:8069/web/content/439-1efe2bc/web.assets_common.js:547:678jQuery.Callbacks/fire@http://localhost:8069/web/content/439-1efe2bc/web.assets_common.js:541:281jQuery.Callbacks/self.fireWith@http://localhost:8069/web/content/439-1efe2bc/web.assets_common.js:546:198.Deferred/</deferred[tuple[0]]@http://localhost:8069/web/content/439-1efe2bc/web.assets_common.js:548:31DropMisordered<.add/<@http://localhost:8069/web/content/439-1efe2bc/web.assets_common.js:3217:259jQuery.Callbacks/fire@http://localhost:8069/web/content/439-1efe2bc/web.assets_common.js:541:281jQuery.Callbacks/self.fireWith@http://localhost:8069/web/content/439-1efe2bc/web.assets_common.js:546:198.Deferred/promise.then/</</<@http://localhost:8069/web/content/439-1efe2bc/web.assets_common.js:547:849jQuery.Callbacks/fire@http://localhost:8069/web/content/439-1efe2bc/web.assets_common.js:541:281jQuery.Callbacks/self.fireWith@http://localhost:8069/web/content/439-1efe2bc/web.assets_common.js:546:198.Deferred/promise.then/</</<@http://localhost:8069/web/content/439-1efe2bc/web.assets_common.js:547:849jQuery.Callbacks/fire@http://localhost:8069/web/content/439-1efe2bc/web.assets_common.js:541:281jQuery.Callbacks/self.fireWith@http://localhost:8069/web/content/439-1efe2bc/web.assets_common.js:546:198.Deferred/</deferred[tuple[0]]@http://localhost:8069/web/content/439-1efe2bc/web.assets_common.js:548:31jQuery.Callbacks/fire@http://localhost:8069/web/content/439-1efe2bc/web.assets_common.js:541:281jQuery.Callbacks/self.fireWith@http://localhost:8069/web/content/439-1efe2bc/web.assets_common.js:546:198.Deferred/promise.then/</</<@http://localhost:8069/web/content/439-1efe2bc/web.assets_common.js:547:849jQuery.Callbacks/fire@http://localhost:8069/web/content/439-1efe2bc/web.assets_common.js:541:281jQuery.Callbacks/self.fireWith@http://localhost:8069/web/content/439-1efe2bc/web.assets_common.js:546:198.Deferred/promise.then/</</<@http://localhost:8069/web/content/439-1efe2bc/web.assets_common.js:547:849jQuery.Callbacks/fire@http://localhost:8069/web/content/439-1efe2bc/web.assets_common.js:541:281jQuery.Callbacks/self.fireWith@http://localhost:8069/web/content/439-1efe2bc/web.assets_common.js:546:198done@http://localhost:8069/web/content/439-1efe2bc/web.assets_common.js:937:86.send/callback@http://localhost:8069/web/content/439-1efe2bc/web.assets_common.js:957:15

Create a new group, give the access to menu and order's model to this group, add users to this group.