Applescript Photoshop Automate Batch

I am trying to make an applescript that will launch Photoshop and call the Automate Batch function.  I have zero experience doing this and have only gotten snippets of code from my searching.  I was wondering if someone could help me on this.. in particular if it is at all possible to pass a source folder to the batch call and then how to make the Batch call.  Here is what I have so far, which I am pretty sure doesn't work:

    set sourceFolder to "/Users/Joe/Desktop/Temp"
    do shell script "echo Source Path is: " & sourceFolder
    tell application "com.adobe.Photoshop"
        activate
        try
            set Batch_Options to {class:batch options, source folder:sourceFolder, destination:save and close, error file:Error_File, file naming:{document name lower, extension lower}, macintosh compatible:true, override open:false, override save:true, suppress open:true, suppressprofile:true, unix compatible:true, windows compatible:true}
            batch with options Batch_Options
        end try
        return "Done"
    end tell

Any help is appreciated.