Solved How to change name in PacketPlayOutNamedEntitySpawn? (Field?)

How to change name in PacketPlayOutNamedEntitySpawn? (Field?)
I know, that ill have to use reflection, but i can't find place(field) to change name:
https://github.com/Bukkit/mc-dev/blob/master/net/minecraft/server/PacketPlayOutNamedEntitySpawn.java