Working! FINALLY

command /DeclareWar <text>:
    permission: Team.Leaders # Makes it so only Co-Leader and Leader of a team can use
    aliases: /DW <text>, /Declarewar <text>, /declarewar <text>
    trigger:
        if {player.team.name} = "test":
            send "Success!"
        set {player} to "%player%"
        broadcast "&7&l[&c&lWAR&7&l] &3%{player.team.name}% has declared war on %arg 1%."


command /createteam <text>:
    permission: Not.On.Team # Checks if player is on a team
    trigger:
        Broadcast "&3%player% &7has created a team named &2%arg 1%"
        set {player} to "%player%"
        set {player.team.name} to "%arg 1%"
        if {player.team.name} = "test":
            send "Success!"
        set {player.On.A.Team} to true
        execute console command "/pex user %{player}% add Team.Leaders"
        execute console command "/pex user %{player}% add Team.Leader"

command /teaminvite <player>:
    permission: Team.Leaders
    trigger:
        set {_Player} to "%player%"
        set {_player} to "%arg 1%"
        if {_player} doesn't have permission "Not.On.Team":
            set {%arg 1%.invited.team} to "%{_player.team.name}%"
            execute console command "/pex user %{_player}% add Join.Team"
            send "&7You have been invited to &2&l%{player.team.name}% &7by &c&l%{_player}%! &7To join use /teamjoin &2&l%{player.team.name}%." to {_player}

command /jointeam <text>:
    permission: Join.Team
    trigger:
        set {_player} to "%player%"
        set {Player} to "%arg 1%"
        if {_player.invited.team} = "%arg 1%":
            send "You have joined %{_player.invited.team}%" to {_player}
            set {player.team.name} to "%{_player.invited.team}%"
            execute console command "pex user %{_player}% add Team.Member"
            execute console command "pex user %{_player}% remove Join.Team"
            execute console command "pex user %{_player}% remove Not.On.Team"
            set {Player.On.A.Team} to true

command /leaveteam:
    permission: Team.Member
    trigger:
        set {player} to "%player%"
        send "Are you sure you want to leave %{player.team.name}%? If you do say Yes in the next 15 seconds" to {player}
        set {player.Team.Leave} to true
        wait 15 seconds
        set {player.Team.Leave} to false

command /teampromote <text>:
	permission: Team.Leader
	trigger:
		set {_player} to "%player%"
		set {_user} to "%arg 1%"
		if {_player.team.name} = {_user.team.name}:
			if {_user} doesn't have permission "Team.Leaders":
				if {_user} doesn't have permission "Team.Leader":
					send "You have promoted %{_user}% to a Co-Leader" to {_player}
					send "You have been promoted to Co-Leader in %{_user.team.name}%" to {_user}
					execute console command "pex users %{_user}% add Team.Leaders"
			if {_user} has permission "Team.Leader":
				send "You can't promote yourself, silly" to {_player}
on first join:
    send "Welcome to the server %player%!"

on chat:
    set {player} to "%player%"
    if {player.Team.Leave} is true:
        if message contains "Yes":
            send "You have left %{player.team.name}%." to {player}
            execute console command "pex users %{player}% add Not.On.Team"
            execute console command "pex users %{player}% remove Team.Member"
            set {player.Team.Leave} to false
            set {player.On.A.Team} to false
    if {player.On.A.Team} is true:
        cancel event
        set {player} to "%player%"
        set {prefix} to "%{player.team.name}%"
        message "&7[&6%{prefix}%&7] &4%{player}%&7: %message%"