# AccessPolicyRule One operation, selector, and optional assigned resource. `Goodmem.Client.Models.AccessPolicyRule` - `AssignedResource` (`AccessPolicyTarget?`): Required exactly for EXACT and DIRECT_MEMBERS_OF selectors. JSON: `assignedResource`. - `Operation` (`Operation`, required): Protected operation. JSON: `operation`. - `Selector` (`Selector`, required): Resource-selection semantics. JSON: `selector`. [.NET](../../dotnet.md) Related types — open only those used by your request: - [AccessPolicyTarget](AccessPolicyTarget.md) - [Operation](Operation.md) - [Selector](Selector.md)