# RoleAssignmentTarget An INSTANCE or SPACE role-assignment boundary. resourceId is omitted for INSTANCE and required for SPACE. `Goodmem.Client.Models.RoleAssignmentTarget` - `Kind` (`string`, required): Role-assignment target kind. JSON: `kind`. - `ResourceId` (`string?`): Memory-space UUID; omitted for the singleton INSTANCE target. JSON: `resourceId`. [.NET](../../dotnet.md)