# GrantAudience Exactly one principal or the all-authenticated audience. - `principalId` (`PrincipalId`): Active HUMAN or SERVICE principal UUID. Typed wrapper `PrincipalId`; build from a raw string with `PrincipalId.from(String)`. - `allAuthenticated` (`GrantAudienceAllAuthenticated`): Set to true to address every authenticated principal. [Java](../../java.md) Related types — open only those used by your request: - [GrantAudienceAllAuthenticated](GrantAudienceAllAuthenticated.md) - [PrincipalId](PrincipalId.md)