Member fields

Member fields distinguish the added or removed principal from the group in the target family.

Field	Type	Unit	Meaning
sparklogs.member.id	string		The member principal's stable join key.
sparklogs.member.name	string		The member principal's human-readable name.
sparklogs.member.type	string		The identifier scheme used by id or name.
sparklogs.member.kind	string		The kind of principal.
sparklogs.member.domain	string		The member principal's owning domain.