notification pop up with cocoaDialog

notification.sh

#!/bin/bash

CD="/Library/CocoaDialog/CocoaDialog.app/Contents/MacOS/CocoaDialog"

rv=`$CD msgbox --title "Updates Available" \
    --text "Updates have been deployed to UCI Software Center" \
    --informative-text "Click on the Univision Tulip on the top of the screen and choose Available Updates." \
    --icon "download" \
    --icon-file "/Library/CocoaDialog/tulip.png" \
    --icon-size 128 \
    --no-newline --float --button1 "OK"` 
if [ "$rv" == "1" ]; then
    echo "User said OK"

fi