# rotating_pool > Money flow `std.money_flows.rotating_pool`, source `open/hsx/std/money_flows/rotating_pool.hsx`. - Exports: 1 - Ports: none ## rotating_pool No doc comment. - Form: `instrument` - Application form: `instrument rotating_pool(members: optional>, contribution: money, count: integer, every: optional, first_due: date, payout_order: optional>, default_policy: optional, guarantee_policy: optional, guarantor: optional, exit_policy: optional, memo: optional, membership: optional)` - Type parameters: C | Parameter | Declared as | | --- | --- | | `members` | `members: optional>` | | `contribution` | `contribution: money` | | `count` | `count: integer` | | `every` | `every: optional` | | `first_due` | `first_due: date` | | `payout_order` | `payout_order: optional>` | | `default_policy` | `default_policy: optional` | | `guarantee_policy` | `guarantee_policy: optional` | | `guarantor` | `guarantor: optional` | | `exit_policy` | `exit_policy: optional` | | `memo` | `memo: optional` | | `membership` | `membership: optional` |