Add to File button

I am working through the tutorial provided and at the top of page 7 is reads:

This time around instead of copying the Event code to our clipboard, we’re going to save our selves a few clicks. Back in the Studio under the Tools pull-down menu, select “Write Events to Lisp File”. Now select the OK button, and switch to the Events tab, if it’s not already selected. Check the “Clicked” event, and then hit the “Add to File” button.

However, when I check "Write Events to Lisp File" I don't see any "Add to File" button. Am I missing something?
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Phillip

It should be here....
Sometimes you might need to resize your OpenDCL Studio window if it's not showing up...

Do you have it? If not post a screen shoot please..

uuugh! I feel like silly... as soon as I saw your screen image, it dawned on me.
I dragged the dialogue box wider and low and behold it appeared..
*blush*
Sorry to bother you. Thank you for your quick reply.
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Phillip