help me please !

well..im playing mat online (cibmall) and i want hack this game...
i follow all the rules and i press end at the lobby ,the menu dosen't pop up and let me use the hack...
please tell me...
i am very mad now because i duno why i cant use the hack...
please teach me and solved my problem thanks all dude !

firstly open the mat auto...
then open mat
it will inject auto...

please tell me for clearly thanks..
btw how to open the mat automation ?
i scare i open in a wrong way tq