True when the local participant initiated the multi-participant route.
This boolean flag (bool) belongs to FInteractionUIPromptContextPresentation under InteractionUI.
Runtime and UI code should treat this as resolved state from the owning object. Read it to present, branch, or debug behavior without re-authoring the underlying interaction data.
UPROPERTY(BlueprintReadOnly, Category = "InteractionUI")
bool bIsMultiParticipantInitiator = false;