How to change a players team? [closed]

In order to change the team a player is on, you need to change the TeamColor property (of the player.)

This is how it's done:

function setTeam(player, teamName)
    player.TeamColor = game.Teams[teamName].TeamColor
    if player.Character then --Just in case the character doesn't exist for some reason
        player.Character:BreakJoints() -- Kills the players' character
    end
end

--How it's used
setTeam(game.Players.anth4598, "Blues")

--Changing everyone's team to "Reds"
for _, player in pairs(game.Players:GetPlayers()) do
    setTeam(player, "Reds")
end

Tell me how that goes.

This question is extremely vague.

First off, if you are wanting an automatic team change then you can do this:

local team = "TEAM NAME"

game.Players.PlayerAdded:connect(function (newPlayer)
    newPlayer.TeamCoor = BrickColor.new(game.Teams:FindFirstChild(team).TeamColor)
    if newPlayer.Character then
        newPlayer.Character.Humanoid.Health = 0
    end
end)

Is that what you mean't? If not, please explain more.