Zero-based index within the current page, e.g., bind to command slot 0, 1, 2, or 3.
This numeric value (int32) belongs to FInteractionRuntimeResolvedSurfaceEntry 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")
int32 PageLocalIndex = INDEX_NONE;