[Rachael]

try

pawn Код:

if( text[ 0 ] == '!' )

also

pawn Код:

if( sscanf( text, "s[128]" ,Zinute ) ) return SendUsageText( playerid, " ! [Tavo Ћinutė] " );

can be simplified to

pawn Код:

// remove new Zinute[128];
if(strlen(text) < 2) return SendUsageText( playerid, " ! [Tavo Ћinutė] " );
//then you just use 'text' in the format instead of 'Zinute'
//if you don't want the '!' in the message, you will need to do more formatting

I also notice that the size of 'string' is only 20, you might want to make it at least 128
While you are checking things, look at changing return 1; to return 0; under OnPlayerText, that might make things work better.