SendOrderArgs

Arguments for submitting or replacing an order on the Control Hub endpoint.

Field	Type	Required	Nullable	Default	Description
IdempotencyKey	str	Yes	No		Client-provided idempotency key used to de-duplicate requests and enable safe retries.
ReplacesOrder	int	Yes	Yes		Existing live order id to replace; null submits a new order.
BrokerAccountId	str	Yes	No		Broker account id where the order should be submitted.
ExecPlanId	int	Yes	No		Live execution plan id produced by a preparation job.
QtyMultiplier	Decimal	Yes	Yes		Quantity multiplier for AddPosition/AddLegs orders. Positive and required for entry/add-leg plans; it may override the prepared multiplier only before execution starts, then must match the locked multiplier. Must be null for exits, removals, and moves.
LegGroupId	int	Yes	No		Execution-plan leg group id being ordered.
LegGroupOrder	LegGroupOrder	Yes	No		Order parameters and execution-plan leg ids for the selected leg group.