Menu Layout
Title of the menu.
Number of rows (1-6).
[10..16] Slots where party member heads appear.
Configuration for the player head items representing members.
Buttons
Button to invite a new player.
Button to leave the party (for members).
Button to disband the party (for leaders).
Limits
Default maximum members allowed in a party.
Permission nodes to override max size (e.g.,
party.vip: 10).