new player;//The target ID which is going to be banned or kicked.
new reason[126]; //the Reason for which the player is going to be kicked.
new string[126];//String

YCMD:kick(playerid, params[])
{
        if(sscanf(params, "us[126]", player, reason)) return SendClientMessage(playerid, COLOR_WHITE, "[USAGE]: /kick [Part of Name/Player ID] [Reason]");//This will check that a player has typed ID and reason if he has given that this will kick other wise this message will show up.

        if(!IsPlayerConnected(player)) return SendClientMessage(playerid, COLOR_WHITE, "Player is not connected.");//Once its checked the id is there this will check that weather the ID is valid or not.
        
             format(string, sizeof(string), "[ADMCMD]: %s has been kicked by %s, reason: %s", PlayerName(player), PlayerName(playerid), reason);//This will make up the reason for the player being kicked.
        SendClientMessageToAll(COLOR_LIGHTRED, string);//This will send client message to all if you can remove this if you dont want message to be sent to all.
        Kick(player);//This will finnally kick the player.
}