[greentarch]

Explained at the comments.

pawn Код:

if (strcmp("/beach", cmdtext, true, 10) == 0)
{
    if (GetPlayerState(playerid) == PLAYER_STATE_DRIVER) // The player is a driver of a vehicle!
    {
        new iVeh = GetPlayerVehicleID(playerid); // Get's the player's current vehicle ID.
        SetVehiclePos(iVeh, 309.7616, -1798.7969, 4.4990); // Set's the vehicle's position.
    }
    
    else // The player is not a driver of a vehicle!
    {
        SetPlayerPos(playerid, 309.7616, -1798.7969, 4.4990); // Set's the player's current position
    }
    
    // Sends the player a client message
    SendClientMessage(playerid, 0x00FF00, "Welcome to Los Santos Beach!");
    
    new name[MAX_PLAYER_NAME], string[128]; // Create 2 new variables.
    GetPlayerName(playerid, name, sizeof(name)); // Get's the player's name.
    
    format(string, sizeof(string), "[TP]: %s has teleported to /beach.", name); // Formats the string.
    SendClientMessageToAll(0x0000BBAA, string); // Sends a message to all players
    
    return true;
}