Navigate in fly mode to where you would want the doors at in the map. Open the Templates tab and spawn a Slab.CItems under the GamePlay folder in the map.
Open the Templates tab and spawn an AmbushForPlayer.CBoxes.
Open the properties of the AmbushForPlayer_001 (CBox tab) and under Actions => OnTouch click in the empty space beside <new>, enter Close:Slab_001, 5 and enter Close:Slab_002, 3. Open the properties of the AmbushForPlayer_002 (CBox tab) and under Actions => OnTouch click in the empty space beside <new> and enter Open:Slab_002.
Navigate in fly mode to where you would want the door at in the map. Open the Templates tab and spawn a Slab.CItems under the GamePlay folder in the map.
Open the Templates tab and spawn an AmbushForPlayer.CBox.
Navigate in fly mode to where you would want the monsterspawnpoint at in the map. Open the Templates tab and spawn a MonstersSpawnPoint.CSpawnPoint under the GamePlay folder in the map.
Open the Templates tab and spawn a CheckPoint.CItem under the GamePlay folder in the map.
Open the properties of the AmbushForPlayer_001 (CBox tab) and under Actions => OnTouch click in the empty space beside <new> and enter Close:Slab_001, 5. Click in the empty space beside <new> again and enter Launch:CheckPoint_001, 5. Under ToLaunch click in the blank space beside <new> and click the arrow and choose your MonsterSpawnPoint.
Go into the properties of the CheckPoint.CItem and change the Frozen option from false to true.