[Zh3r0]

pawn Код:

ShowPlayerDialog( playerid, 9900, DIALOG_STYLE_MSGBOX, "This is a title", "This is inside the black box", "Button1", Button2" );

9900 - ID of the dialog, can be any number! > 0
DIALOG_STYLE_MSGBOX - The style of the box, MSGBOX means just a message, INPUT it's a box with an input and LIST is a box with lists!