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Never mind. I really should have read all the way to the bottom of CTX107825.... shame..

There is a 14 character limit on the process names - this means to exclude an application named "badlongname.exe" you would add "badlongname.ex".

https://support.citrix.com/article/CTX107825/how-to-disable-citrix-api-hooks-on-a-perapplication-basis