Msg To Connection - hosts only - send to a connection / a player / all
Optional
All string properties in a raw format as it was received from LFS
Player's unique id (if zero, use UCID)
Sound effect
Up to 128 characters of text - last byte must be zero
Readonly
Connection's unique id (0 = host / 255 = all)
Protected
Msg To Connection - hosts only - send to a connection / a player / all