addEventHandler("onPlayerChat", root, function(tresc, msgtype)

    if (msgtype == 0) then

        cancelEvent()

        local x,y,z = getElementPosition(source)

        for key, gracze in ipairs(getElementsByType("player")) do

            local x2,y2,z2 = getElementPosition(gracze)

            if (getDistanceBetweenPoints3D(x,y,z,x2,y2,z2)<20) then

                local int = getElementInterior(source)

                local dim = getElementDimension(source)

                local int2 = getElementInterior(gracze)

                local dim2 = getElementDimension(gracze)

                                                                 

                if (int == int2 and dim == dim2) then

                    outputChatBox("#0000FF("..getElementData(source,"id")..")#ffffff ".. getPlayerName(source) ..":#ffffff ".. tresc, gracze, 255, 255, 255, true)

                       

                end

            end

        end

    end

end)