I use the Piano Roll or the Session Drum player  when I create a new drum track. The Session Player in Logic look to be more powerful the what you can do in EZD3 as it read the pattern in the song and you have many different parameter
When I want to re-use a drum track made for another drum, it is a bit more complex, As I can read drum partitions I look at the drum track in the score menu to figure out the instrument note and to a move to the instrument for EZD3 using Logic Piano Roll or I extract midi notes to separate tracks.
