Findclientbyname

Ok I am trying to make a function called "findclientbyName" so I could do somthing such as
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function servercmdkill(%sender, %args)
{
%target = findClientByName(%target);

if(!isobject(%target))
{
return;
}

if (%target)
{
%target.player.kill();
messageAll('MsgAll', '%1 has been killed by the Admin', %target.name);
}
else
{
messageClient(%sender, 'MsgClient', 'Invalid Target!');
}
}

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