Manual Resources are membership benefits with "manual" delivery — private lessons, consulting sessions, etc. Such benefits are independent with your Telegram Channels and Groups.
To create a new manual resource, open your project in @InviteMemberBot, go to Channels & groups, click Add a resource. Select Manual and enter a name:
You can set description as well:
That's it! You can now attach the resource to your existing subscription plan or create a new one.