# RoleAssignmentTarget An INSTANCE or SPACE role-assignment boundary. resourceId is omitted for INSTANCE and required for SPACE. ```python from goodmem.models import RoleAssignmentTarget ``` - `kind` (`Literal['INSTANCE', 'SPACE'] | None`, required): Role-assignment target kind. - `resource_id` (`str | None`, optional): Memory-space UUID; omitted for the singleton INSTANCE target. JSON: `resourceId`. [Python](../../python.md)