#include <zcmd>

#define ColorRed 0xFF0000FF

CMD:teleport(playerid,params[])
{
    SendClientMessage(playerid,ColorRed,"So you would like to teleport, please select one of our various locations!");
    ShowPlayerDialog(playerid,1,DIALOG_STYLE_LIST,"Teleports","Los Santos\r\nSan Fierro\r\nLas Venturas","Teleport", "Nevermind.");
}

public OnDialogResponse(playerid, dialogid, response, listitem, inputtext[])
{
    if(dialogid == 1)
    {
        case 1:
        {
            if(!response)
            {
                SendClientMessage(playerid,ColorRed,"You cancelled.");
                return 1;
            }

            switch(listitem)
            {
                case 0:
                {
                    SetPlayerPos(playerid,X,Y,Z);
                    SetPlayerFacingAngle(playerid,A)
                    SendClientMessage(playerid,ColorRed,"You have teleported to Los Santos!")
                    new pname[24],message[128];
                    GetPlayerName(playerid,pname,24);
                    format(message, sizeof(message),"[Teleport]: %s has teleported to Los Santos!",playername);
                    SendClientMessageToAll(playerid,ColorRed,message)
                }
                case 1:
                {
                    SetPlayerPos(playerid,X,Y,Z);
                    SetPlayerFacingAngle(playerid,A)
                    SendClientMessage(playerid,ColorRed,"You have teleported to San Fierro!")
                    new pname[24],message[128];
                    GetPlayerName(playerid,pname,24);
                    format(message, sizeof(message),"[Teleport]: %s has teleported to San Fierro!",playername);
                    SendClientMessageToAll(playerid,ColorRed,message)
                }
                case 2:
                {
                    SetPlayerPos(playerid,X,Y,Z);
                    SetPlayerFacingAngle(playerid,A)
                    SendClientMessage(playerid,ColorRed,"You have teleported to Las Venturas!")
                    new pname[24],message[128];
                    GetPlayerName(playerid,pname,24);
                    format(message, sizeof(message),"[Teleport]: %s has teleported to Las Venturas!",playername);
                    SendClientMessageToAll(playerid,ColorRed,message)
                }
            }
        }
    }
    return 0;
}

#include <zcmd> 
// This is what I used for the command, its how I create commands on my server!

#define ColorRed 0xFF0000FF

CMD:teleport(playerid,params[])
{
    SendClientMessage(playerid,ColorRed,"So you would like to teleport, please select one of our various locations!"); //sends a message so he/she knows what to do.
    ShowPlayerDialog(playerid,1,DIALOG_STYLE_LIST,"Teleports","Los Santos\r\nSan Fierro\r\nLas Venturas","Teleport", "Nevermind."); //show the player the dialogbox
}

public OnDialogResponse(playerid, dialogid, response, listitem, inputtext[])
{
    if(dialogid == 1) //this gets the dialog box id.
    {
        case 1:
        {
            if(!response) // if player hits nevermind.
            {
                SendClientMessage(playerid,ColorRed,"You cancelled.");
                return 1;
            }

            switch(listitem) // this is important
            {
                case 0: //our first item Los Santos
                {
                    SetPlayerPos(playerid,X,Y,Z); // the x y z location that the player ports to
                    SetPlayerFacingAngle(playerid,A) // where do you want him to be facing?
                    SendClientMessage(playerid,ColorRed,"You have teleported to Los Santos!") // sends a client message to the player that he successfully teleported.
                    new pname[24],message[128];
                    GetPlayerName(playerid,pname,24);
                    format(message, sizeof(message),"[Teleport]: %s has teleported to Los Santos!",playername);
                    SendClientMessageToAll(playerid,ColorRed,message) // it will send a message to all players that he teleported.
                }
                case 1: // the second option San Fierro
                {
                    SetPlayerPos(playerid,X,Y,Z);
                    SetPlayerFacingAngle(playerid,A)
                    SendClientMessage(playerid,ColorRed,"You have teleported to San Fierro!")
                    new pname[24],message[128];
                    GetPlayerName(playerid,pname,24);
                    format(message, sizeof(message),"[Teleport]: %s has teleported to San Fierro!",playername);
                    SendClientMessageToAll(playerid,ColorRed,message)
                }
                case 2: // the third option Las Venturas
                {
                    SetPlayerPos(playerid,X,Y,Z);
                    SetPlayerFacingAngle(playerid,A)
                    SendClientMessage(playerid,ColorRed,"You have teleported to Las Venturas!")
                    new pname[24],message[128];
                    GetPlayerName(playerid,pname,24);
                    format(message, sizeof(message),"[Teleport]: %s has teleported to Las Venturas!",playername);
                    SendClientMessageToAll(playerid,ColorRed,message)
                }
            }
        }
    }
    return 0; // return 0...
}