Adding a group to InviteMember is very similar to adding a channel.
Click Telegram Group:
You'll see a short video about how to create a new private group:
When creating your group, you can add the @InviteMemberBot as a member. When it's ready, hit Done.
You can check out our article about how to create a Telegram Group:
After creating your Telegram Group you'll be asked to add the @InviteMemberBot to the group's administrators. It needs to have Invite Users via Link and Ban Users permissions:
Now that the @InviteMemberBot is an administrator with the proper permission, you'll be asked to make sure that the Remain Anonymous option is turned OFF. You'll see a short video explaining how:
Now you can post a message in the group and mention @InviteMemberBot.
Now go back to @InviteMember, you will see a confirmation: