ExecPlanLegRef

Stable leg identity inside one execution plan. Name is display metadata only.

Field	Type	Required	Nullable	Default	Description
ExecPlanLegId	str	Yes	No		Stable identifier for this leg inside the execution plan.
LiveLegId	int	No	Yes		Existing live leg id when this reference closes or otherwise points to a stored live leg; null for newly opened legs.
Name	str	Yes	No		User-facing leg name for display and diagnostics. It is not unique and should not be used as identity.
Role	ExecPlanLegRole	Yes	No		Role of this leg in the execution plan.
LiveContract	LiveContract	Yes	No		Contract specification for the leg.
LiveContractId	int	Yes	No		Server-side live contract id for the leg contract.
PlannedQty	Decimal	Yes	No		Signed planned execution quantity for the leg. Positive quantities buy; negative quantities sell.
IsMarker	bool	Yes	No		True when the leg is a non-tradeable marker leg.
GroupId	int	No	Yes		Execution-plan leg group id.