You are in the right folder, but in the wrong library. You need to go to the “user library”.
Open the finder, hold down the OPTION key and access the “Go” menu and then select “Library” to instantly jump to the Users ~/Library directory
We have carefully reviewed the whole content creation process for the development of HALion 6 in order to make it easier and more convenient to create, share and exchange user generated content. This is one of the big topics for the next version.