Steam VIP add "flag bitry" + Tag [Steam VIP]

#include <amxmodx>
#include <colorchat>

#define PLUGIN "FREE VIP"
#define VERSION "1.0"
#define AUTHOR "Devil"

#define flaga ADMIN_USER

new Forward_amxbans,iRet

public plugin_init() {
        register_plugin(PLUGIN, VERSION, AUTHOR)
        Forward_amxbans= CreateMultiForward("amxbans_admin_connect",ET_IGNORE,FP_CELL)
}
public client_connect(id)
{
        if(is_steam(id))
        {
                
                set_task(10.0,"Free_VIP",id)
        }
}
public Free_VIP(id)
{
        ColorChat(id,GREEN,"[~PB~] ^x03You received a free VIP for having a Steam account.")
//      remove_user_flags(id, ADMIN_USER)
        set_user_flags(id, ADMIN_LEVEL_H)
        ExecuteForward(Forward_amxbans, iRet, id);
}
stock bool:is_steam(id)
{
        new auth[65]
        get_user_authid(id,auth,64)
        if(contain(auth, "STEAM_0:0:") != -1 || contain(auth, "STEAM_0:1:") != -1)
        return true;
        return false;
}