Maximum participants admitted at this point for multi-participant routes.
This numeric value (int32) belongs to FInteractionRuntimePointDefinition under InteractionRuntime|MultiParticipant.
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|MultiParticipant", meta = (ClampMin = "1"))
int32 MultiParticipantAdmissionCapacity = 1;