True when this prompt represents a multi-participant command.
This boolean flag (bool) belongs to FInteractionRuntimeResolvedPrompt under InteractionRuntime.
Designers configure this value in the owning asset or object details panel, while Blueprint logic can read the resolved value at runtime.
UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = "InteractionRuntime")
bool bIsMultiParticipantCommand = false;