[Konstantinos]

It worked fine for me.

pawn Код:

// Results:
[12:49:04] [join] Dwane has joined the server (0:127.0.0.1)
[12:49:06] Teszt Runned
[12:49:12] Teszt CMD
[12:49:13] Teszt Runned
[12:49:16] [part] Dwane has left the server (0:1)

pawn Код:

#define FILTERSCRIPT

#include <a_samp>

forward Teszt(playerid);

public OnFilterScriptInit()
{
    print("Load Script");
    return 1;
}

public OnFilterScriptExit()
{
    print("Exit Script");
    return 1;
}

public OnPlayerConnect(playerid)
{
    SetTimerEx("Teszt",1000,0,"d",playerid); // 1st message
    return 1;
}

public OnPlayerCommandText(playerid,cmdtext[])
{
    if(!strcmp(cmdtext, "/timer", true))
    {
        print("Teszt CMD"); //2nd message
        SetTimerEx("Teszt",1000,0,"d",playerid); // 3rd message
        return 1;
    }
    return 0;
}

public Teszt(playerid)
{
    print("Teszt Runned"); // 1st message and 3rd message
    return 1;
}