# GrantAudience Exactly one principal or the all-authenticated audience. ```python from goodmem.models import GrantAudience ``` - `principal_id` (`str | None`, optional): Active HUMAN or SERVICE principal UUID. JSON: `principalId`. - `all_authenticated` (`GrantAudienceAllAuthenticated | None`, optional): Set to true to address every authenticated principal. JSON: `allAuthenticated`. [Python](../../python.md) Related types — open only those used by your request: - [GrantAudienceAllAuthenticated](GrantAudienceAllAuthenticated.md)