AquireDungeonSeed.cs

using DunGen;
using UnityEngine;

public sealed class AquireDungeonSeed : MonoBehaviour
{
	public RuntimeDungeon RuntimeDungeon; // Set through the inspector


	private void Awake()
	{
		RuntimeDungeon.Generator.OnGenerationStatusChanged += OnDungeonGenerationStatusChanged;
	}

	private void OnDungeonGenerationStatusChanged(DungeonGenerator generator, GenerationStatus status)
	{
		if(status == GenerationStatus.Complete)
		{
			// The seed that was actually used by DunGen, accounting for any retries
			int seed = generator.ChosenSeed;
		}
	}
}