User Activity

I am using an inbound email action to create a ticket from an email. I am looking to have the Short Description be "Some text" + Users Name that entered the request.  Below is my code please let me know what I need to do to get the Users name instead...
What is the best practice for applying patches, hot fixes and upgrades. Are there people that never upgrade or on the other extreme does any one apply ever hot fix the second it comes out. I asume that neither of thoes are true, but I am looking to k...
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