[AndySedeyn]

PHP код:

public OnDialogResponse(playerid, dialogid, response, listitem, inputtext[]) 


WIKI page: https://sampwiki.blast.hk/wiki/OnDialogResponse
Tutorial: https://sampwiki.blast.hk/wiki/How_to_Create_a_Dialog

A quick ****** search should give you a wider range of tutorials about dialogs.