#include <a_samp>

new Gender[MAX_PLAYERS]; //1 - male | 2 - female

public OnPlayerConnect(playerid)
{
    ShowPlayerDialog(playerid,1,DIALOG_STYLE_LIST,"Gender","Male/nFemale","Select","");
    return 1;
}

public OnDialogResponse(playerid, dialogid, response, listitem, inputtext[])
{
    if(dialogid == 1)
    {
        if(response) 
        {
            if(listitem == 0)
            {
                Gender[playerid] = 1;
                SendClientMessage(playerid,-1,"You are a male.");
            }
            if(listitem == 1)
            {
                Gender[playerid] = 2;
                SendClientMessage(playerid,-1,"You are a female.");
            }

        }
        return 1;
    }

    return 0; 
}