void onJoin(
	string spaceName,
	Member member,
	DistributionRole role
)

Sub onJoin ( 
	spaceName As String,
	member As Member,
	role As DistributionRole
)

void onJoin(
	String^ spaceName, 
	Member^ member, 
	DistributionRole role
)

abstract onJoin : 
        spaceName : string * 
        member : Member * 
        role : DistributionRole -> unit