Ensure you've completed the Initial Setup.
Go to the server you’ve completed the setup of PartyBeast in and type
!pbAddCat in a text channel PartyBeast can see.
PartyBeast will create a new Category and nested Voice Channel. Rename these to your liking – IE Category: Apex Legends, Voice Channel: Create Team
Change the User Limit on the created Voice Channel by right clicking, choosing
Edit Channel and change the User Limit slider to the size you require. All temorary rooms will be created this size.