Required hold duration in seconds.
This numeric value (float) belongs to FInteractionRuntimePromptProgressContext under InteractionRuntime|Prompt.
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 = "InteractionRuntime|Prompt")
float DurationSeconds = 0.0f;