parents

The parent entities in the hierarchy that contains the entity. A principal or resource entity can be defined with at most 99 transitive parents per authorization request.

A transitive parent is an entity in the hierarchy of entities including all direct parents, and parents of parents. For example, a user can be a member of 91 groups if one of those groups is a member of eight groups, for a total of 100: one entity, 91 entity parents, and eight parents of parents.