# \#sub-level **URL:** https://forums.unrealengine.com/tag/sub-level/10514.md [Latest](https://forums.unrealengine.com/latest.md) · [Categories](https://forums.unrealengine.com/categories.md) · [Tags](https://forums.unrealengine.com/tags.md) --- ## [How do I get the streaming level name without using c++](https://forums.unrealengine.com/t/how-do-i-get-the-streaming-level-name-without-using-c/467834)
**Author:** [@Ricov123](https://forums.unrealengine.com/u/Ricov123)\ **Replies:** 5\ **Last updated:** [October 25, 2025, 4:40pm UTC](https://forums.unrealengine.com/t/how-do-i-get-the-streaming-level-name-without-using-c/467834 "2025-10-25T16:40:32Z")
I have multiple streaming levels and to save game progress I need to get the streaming level names. I can’t figure out what nodes to connect where for me to get the names Fig 1 - Get Streaming Level to SET LevelName (St… --- ## [How to apply different settings to sublevels per persistence level?](https://forums.unrealengine.com/t/how-to-apply-different-settings-to-sublevels-per-persistence-level/2646719)
**Author:** [@Extrahdmi](https://forums.unrealengine.com/u/Extrahdmi)\ **Replies:** 6\ **Last updated:** [August 19, 2025, 11:32am UTC](https://forums.unrealengine.com/t/how-to-apply-different-settings-to-sublevels-per-persistence-level/2646719 "2025-08-19T11:32:52Z")
I’m trying to create a common sublevel to use in persistent levels, and manage the weather and time. Editing the sublevel actors makes it easy to edit the environment. The problem is that sublevel edits are not indepen… --- ## [Nav Mesh and Streaming Levels](https://forums.unrealengine.com/t/nav-mesh-and-streaming-levels/451476)
**Author:** [@LastKingsSaint](https://forums.unrealengine.com/u/LastKingsSaint)\ **Replies:** 42\ **Last updated:** [June 4, 2025, 3:03am UTC](https://forums.unrealengine.com/t/nav-mesh-and-streaming-levels/451476 "2025-06-04T03:03:57Z")
What is the proper setup if I have a persistent level with a sub level and I want to have navigation on the sub levels? I have tried dynamic nav meshes and the nav never loads after getting to the sub level from the pers… --- ## [Should I use World Partition/Composition for median-sized world?](https://forums.unrealengine.com/t/should-i-use-world-partition-composition-for-median-sized-world/2166868)
**Author:** [@Noisegrinder](https://forums.unrealengine.com/u/Noisegrinder)\ **Replies:** 7\ **Last updated:** [December 5, 2024, 9:55am UTC](https://forums.unrealengine.com/t/should-i-use-world-partition-composition-for-median-sized-world/2166868 "2024-12-05T09:55:57Z")
Key points: The map size would be around 1.5km x 1.5km. Neither an entirely open world nor totally linear corridors. It’s somewhere in between. Low-poly models all around, targeting lower-end PCs Landscape may be used … --- ## [How To Get Current Sub Level Name](https://forums.unrealengine.com/t/how-to-get-current-sub-level-name/461789)
**Author:** [@Jinkuu](https://forums.unrealengine.com/u/Jinkuu)\ **Replies:** 12\ **Last updated:** [November 28, 2024, 2:49pm UTC](https://forums.unrealengine.com/t/how-to-get-current-sub-level-name/461789 "2024-11-28T14:49:49Z")
I try this out and it works very well, so with this function i get my Level name^^ --- ## [World Partition or Sub-Levels](https://forums.unrealengine.com/t/world-partition-or-sub-levels/2149548)
**Author:** [@kilichamza77](https://forums.unrealengine.com/u/kilichamza77)\ **Replies:** 2\ **Last updated:** [November 25, 2024, 6:08am UTC](https://forums.unrealengine.com/t/world-partition-or-sub-levels/2149548 "2024-11-25T06:08:18Z")
Hello Everyone, My project in Unreal Engine is very large and cannot fit into a single landscape, so more than one landscape is required. Should I use World Partition at this stage, or should I open a different level fo… --- ## [Transfering a folder (actors) from Persistent level to Sub Level](https://forums.unrealengine.com/t/transfering-a-folder-actors-from-persistent-level-to-sub-level/434023)
**Author:** [@AlbedoDev](https://forums.unrealengine.com/u/AlbedoDev)\ **Replies:** 2\ **Last updated:** [May 8, 2024, 11:55am UTC](https://forums.unrealengine.com/t/transfering-a-folder-actors-from-persistent-level-to-sub-level/434023 "2024-05-08T11:55:22Z")
Hello Everyone, I’m a bit confused as to how to move stuff I’ve made in my persistent level to a sub level. Case in point, I have finished making a large level and now want to split it into smaller chunks to stream in a… --- ## [Hierarchical LOD System is disabled in (sub-)level,unable to build LOD actors](https://forums.unrealengine.com/t/hierarchical-lod-system-is-disabled-in-sub-level-unable-to-build-lod-actors/432083)
**Author:** [@\_2048](https://forums.unrealengine.com/u/_2048)\ **Replies:** 4\ **Last updated:** [January 28, 2024, 3:55pm UTC](https://forums.unrealengine.com/t/hierarchical-lod-system-is-disabled-in-sub-level-unable-to-build-lod-actors/432083 "2024-01-28T15:55:16Z")
If I moved the Actor to any Sub-Level,its can’t Generate Clusters. --- ## [Loading and unloading stream levels replication issue](https://forums.unrealengine.com/t/loading-and-unloading-stream-levels-replication-issue/1614591)
**Author:** [@k24uk](https://forums.unrealengine.com/u/k24uk)\ **Replies:** 1\ **Last updated:** [January 14, 2024, 9:56pm UTC](https://forums.unrealengine.com/t/loading-and-unloading-stream-levels-replication-issue/1614591 "2024-01-14T21:56:24Z")
The setup I have in my listen server project consists of players pressing a button, when pressed the terrain changes by unloading the current sub level and then loading a randomly selected sub level. All players are see… --- ## [Packed Level Actor - Component was not packed](https://forums.unrealengine.com/t/packed-level-actor-component-was-not-packed/751551)
**Author:** [@FortWorthJP](https://forums.unrealengine.com/u/FortWorthJP)\ **Replies:** 2\ **Last updated:** [November 30, 2023, 6:53pm UTC](https://forums.unrealengine.com/t/packed-level-actor-component-was-not-packed/751551 "2023-11-30T18:53:08Z")
Is there any limitations for which actors can be packed into Packed Level Actor? I am not able to insert any blueprints, particle systems or light sources into Packed Level Instance. When I try to save my changes (commit… --- ## [UE5.1 Chaos bug. Collision response channel override not working if geometry collection in sublevel](https://forums.unrealengine.com/t/ue5-1-chaos-bug-collision-response-channel-override-not-working-if-geometry-collection-in-sublevel/1408469)
**Author:** [@Manula96](https://forums.unrealengine.com/u/Manula96)\ **Replies:** 0\ **Last updated:** [November 21, 2023, 5:57am UTC](https://forums.unrealengine.com/t/ue5-1-chaos-bug-collision-response-channel-override-not-working-if-geometry-collection-in-sublevel/1408469 "2023-11-21T05:57:00Z")
I am using UE5.1. As the topic says, I have a geometry collection in the scene. Note the GC is in a blueprint(root is defaultSceneRoot) Its in a sub-level. I implement level streaming using streaming volumes. If the geom… --- ## [Help: physics bodies and sub-levels](https://forums.unrealengine.com/t/help-physics-bodies-and-sub-levels/1270508)
**Author:** [@heavenly-roads](https://forums.unrealengine.com/u/heavenly-roads)\ **Replies:** 0\ **Last updated:** [August 24, 2023, 2:06am UTC](https://forums.unrealengine.com/t/help-physics-bodies-and-sub-levels/1270508 "2023-08-24T02:06:07Z")
I’m developing a game that requires sub-levels and physics bodies as props and objects. The game has sandbox features - player can carry and move objects around. While keeping them on the persistent level, they falls du… --- ## [Custom event from sublevel into main level](https://forums.unrealengine.com/t/custom-event-from-sublevel-into-main-level/490107)
**Author:** [@Pandatuta](https://forums.unrealengine.com/u/Pandatuta)\ **Replies:** 4\ **Last updated:** [June 14, 2023, 11:19am UTC](https://forums.unrealengine.com/t/custom-event-from-sublevel-into-main-level/490107 "2023-06-14T11:19:10Z")
Hello!! I have 2 levels. Level\_A with is main level and Level\_B with is sub-level. In Level\_A i’m imported Level\_B with levels tools and change streaming method on always loaded. In level blueprints Level\_B has custom e… --- ## [Python: Getting an reference from path for an actor in a sublevel?](https://forums.unrealengine.com/t/python-getting-an-reference-from-path-for-an-actor-in-a-sublevel/484711)
**Author:** [@DragonGuard](https://forums.unrealengine.com/u/DragonGuard)\ **Replies:** 1\ **Last updated:** [November 26, 2022, 5:55am UTC](https://forums.unrealengine.com/t/python-getting-an-reference-from-path-for-an-actor-in-a-sublevel/484711 "2022-11-26T05:55:48Z")
Hello, I’m working on an editor tool and I’m trying to get an actor reference from a actor path. According to the Python documentation I can use unreal.EditorLevelLibrary().get\_actor\_reference(path) for this. It works… --- ## [サブレベルでNavMeshBoundsVolumeを機能させる方法がわかりません](https://forums.unrealengine.com/t/navmeshboundsvolume/679593)
**Author:** [@kyamisukegram](https://forums.unrealengine.com/u/kyamisukegram)\ **Replies:** 0\ **Last updated:** [October 29, 2022, 2:30pm UTC](https://forums.unrealengine.com/t/navmeshboundsvolume/679593 "2022-10-29T14:30:17Z")
質問をご覧いただきありがとうございます。 NavMeshBoundsVolumeを使い、サブレベル上の現在位置から目的地までの経路探索をしたいと思っています。 プロジェクトの構成は、PersistentLevelといくつかのサブレベルです。 こちらのフォーラムを参考にし、サブレベルは常にロードされているものではないため、NavigationをDynamicにして試してみましたが、サブレベル上でNavigationMeshは構築… --- ## [When i launch application i can't switch levels](https://forums.unrealengine.com/t/when-i-launch-application-i-cant-switch-levels/491128)
**Author:** [@Maveth94](https://forums.unrealengine.com/u/Maveth94)\ **Replies:** 4\ **Last updated:** [July 16, 2022, 1:14am UTC](https://forums.unrealengine.com/t/when-i-launch-application-i-cant-switch-levels/491128 "2022-07-16T01:14:26Z")
Hi, i’m pretty new with UE4, here is my trouble. I have worked on an application for Oculus Quest II where you can switch between some maps. When i try the app in the VrPreview it works fine, but when i launch the app… --- ## [Navigation in world composition?](https://forums.unrealengine.com/t/navigation-in-world-composition/490233)
**Author:** [@Limp\_Noodle](https://forums.unrealengine.com/u/Limp_Noodle)\ **Replies:** 1\ **Last updated:** [October 25, 2021, 5:44pm UTC](https://forums.unrealengine.com/t/navigation-in-world-composition/490233 "2021-10-25T17:44:40Z")
I have the navigation system to generate only around navigation invokers. I have placed nav invokers in my AI blueprints. I have placed a nav mesh bounds in the persistent level and have none in the sub-levels. My AI wil… --- ## [Can't turn off lightig scenario layer](https://forums.unrealengine.com/t/cant-turn-off-lightig-scenario-layer/479218)
**Author:** [@V4nder](https://forums.unrealengine.com/u/V4nder)\ **Replies:** 3\ **Last updated:** [September 28, 2021, 12:20pm UTC](https://forums.unrealengine.com/t/cant-turn-off-lightig-scenario-layer/479218 "2021-09-28T12:20:46Z")
Hello. I set the lighting scenario on the normal layer. Now I would like to undo the change, but I cannot. I change to regular level, save the level, load the same level again and see that the lighting scenario is still … --- ## [Get object by class on begin play doesn't get objects located on sublevels not streamed yet despite being on persistent level](https://forums.unrealengine.com/t/get-object-by-class-on-begin-play-doesnt-get-objects-located-on-sublevels-not-streamed-yet-despite-being-on-persistent-level/489211)
**Author:** [@LukeBennetto](https://forums.unrealengine.com/u/LukeBennetto)\ **Replies:** 2\ **Last updated:** [September 26, 2021, 7:57am UTC](https://forums.unrealengine.com/t/get-object-by-class-on-begin-play-doesnt-get-objects-located-on-sublevels-not-streamed-yet-despite-being-on-persistent-level/489211 "2021-09-26T07:57:39Z")
You might need a re-think. You can’t spawn them all on begin play for two reasons: Your game will hitch really badly for quite a long time Assuming your stream them out again, the references wont be valid anyway. … --- ## [Nav Mesh is not generating properly with level streaming](https://forums.unrealengine.com/t/nav-mesh-is-not-generating-properly-with-level-streaming/489016)
**Author:** [@Interlvper](https://forums.unrealengine.com/u/Interlvper)\ **Replies:** 1\ **Last updated:** [September 21, 2021, 8:28pm UTC](https://forums.unrealengine.com/t/nav-mesh-is-not-generating-properly-with-level-streaming/489016 "2021-09-21T20:28:15Z")
I have one Nav Mesh Bounds Volume that is placed in the Persistent Level along with the Recast Nav Mesh. None of my sub-levels contain a Nav Mesh Bounds Volume or a Recast Nav Mesh. The pawn using the Nav Mesh works prop… --- ## [Unresolved camera binding on sub sequence](https://forums.unrealengine.com/t/unresolved-camera-binding-on-sub-sequence/485584)
**Author:** [@hashu786](https://forums.unrealengine.com/u/hashu786)\ **Replies:** 1\ **Last updated:** [September 4, 2021, 2:29am UTC](https://forums.unrealengine.com/t/unresolved-camera-binding-on-sub-sequence/485584 "2021-09-04T02:29:19Z")
Create a Sequence Create a shot in the sequence Open the shot Level sequence Create a camera Ensure Camera Binding ID is attached to the camera If you open up the shot level sequence everything is fine If you open up … --- ## [Sub-level, weird dark squares & z-fighting with nothing](https://forums.unrealengine.com/t/sub-level-weird-dark-squares-z-fighting-with-nothing/488182)
**Author:** [@cugz\_kani](https://forums.unrealengine.com/u/cugz_kani)\ **Replies:** 1\ **Last updated:** [September 4, 2021, 1:52am UTC](https://forums.unrealengine.com/t/sub-level-weird-dark-squares-z-fighting-with-nothing/488182 "2021-09-04T01:52:48Z")
I’m getting weird dark squares on meshes. They’re actually 3d cubes, you can see it when meshes move, and if you align the mesh faces with the dark cube edge you get z-fighting. You can see the squares on the left-most… --- ## [Level Streaming Issue with C++](https://forums.unrealengine.com/t/level-streaming-issue-with-c/486605)
**Author:** [@KaylaHK](https://forums.unrealengine.com/u/KaylaHK)\ **Replies:** 0\ **Last updated:** [July 26, 2021, 5:59am UTC](https://forums.unrealengine.com/t/level-streaming-issue-with-c/486605 "2021-07-26T05:59:14Z")
I am trying to use C++ to do the level streaming. But for some reason, I can’t re-load the level back after unloading it. I checked with UE\_LOG and I find out that the level is “deleted” after unloading it. I can still … --- ## [Nav Mesh needs to be rebuilt when changing levels](https://forums.unrealengine.com/t/nav-mesh-needs-to-be-rebuilt-when-changing-levels/485144)
**Author:** [@DavidTveraas](https://forums.unrealengine.com/u/DavidTveraas)\ **Replies:** 0\ **Last updated:** [June 20, 2021, 9:13pm UTC](https://forums.unrealengine.com/t/nav-mesh-needs-to-be-rebuilt-when-changing-levels/485144 "2021-06-20T21:13:24Z")
I was running into an issue breaking all my AI’s navigation. I had made a main menu that has a Play button which goes to the first level. Whenever I access the first level via this button it breaks my Nav Mesh which says… --- ## [Debug filter dropdown shows 2 iterations. why?](https://forums.unrealengine.com/t/debug-filter-dropdown-shows-2-iterations-why/470649)
**Author:** [@anonymous\_user\_03b2e6c8](https://forums.unrealengine.com/u/anonymous_user_03b2e6c8)\ **Replies:** 1\ **Last updated:** [May 18, 2021, 3:03am UTC](https://forums.unrealengine.com/t/debug-filter-dropdown-shows-2-iterations-why/470649 "2021-05-18T03:03:47Z")
I’ve got multiple sub-levels, each with blueprint level scripting, and they’re all set to ‘always loaded’. When running the game, if I click on the debug filter drop down to select the level’s blueprint on one of them t… --- ## [add existing sub-level by python in UE4.25](https://forums.unrealengine.com/t/add-existing-sub-level-by-python-in-ue4-25/483492)
**Author:** [@anonymous\_user\_67718b911](https://forums.unrealengine.com/u/anonymous_user_67718b911)\ **Replies:** 0\ **Last updated:** [May 17, 2021, 10:34am UTC](https://forums.unrealengine.com/t/add-existing-sub-level-by-python-in-ue4-25/483492 "2021-05-17T10:34:48Z")
I’m trying to load a sublevel into the current level in python, but I don’t know how. I found this article and tried it, but I get the following error message. world = unreal.EditorLevelLibrary.get\_editor\_world() leve… --- ## [Setting level visibity with editor utility](https://forums.unrealengine.com/t/setting-level-visibity-with-editor-utility/483286)
**Author:** [@awhite\_unreal](https://forums.unrealengine.com/u/awhite_unreal)\ **Replies:** 1\ **Last updated:** [May 14, 2021, 11:17pm UTC](https://forums.unrealengine.com/t/setting-level-visibity-with-editor-utility/483286 "2021-05-14T23:17:54Z")
Short version is I’m creating an editor utility that will toggle the visibility of selections of objects and/or levels while in the editor. It’s working for individual actors, but I’m having trouble with levels. Under e… --- ## [Is there a way i can build only volumetric light cache?](https://forums.unrealengine.com/t/is-there-a-way-i-can-build-only-volumetric-light-cache/480851)
**Author:** [@rise678487](https://forums.unrealengine.com/u/rise678487)\ **Replies:** 0\ **Last updated:** [March 25, 2021, 9:45am UTC](https://forums.unrealengine.com/t/is-there-a-way-i-can-build-only-volumetric-light-cache/480851 "2021-03-25T09:45:34Z")
I have a very large consistent level contains many sub-levels, I used CPU for build lighting( r9 3950x) and it takes about 10h to finish but the result is not good as GPU (2070s) build with a half of time. But one drawba… --- ## [How can I save levels generated at runtime?](https://forums.unrealengine.com/t/how-can-i-save-levels-generated-at-runtime/479080)
**Author:** [@Re4verbot](https://forums.unrealengine.com/u/Re4verbot)\ **Replies:** 0\ **Last updated:** [February 20, 2021, 1:41am UTC](https://forums.unrealengine.com/t/how-can-i-save-levels-generated-at-runtime/479080 "2021-02-20T01:41:35Z")
I am trying to make a game where a player can roam around a randomly generated town with randomly generated house interiors. Each interior would be a separate level and the outside town would be a separate level. I want … --- ## [How do I return to a streaming level?](https://forums.unrealengine.com/t/how-do-i-return-to-a-streaming-level/476390)
**Author:** [@shadowxone](https://forums.unrealengine.com/u/shadowxone)\ **Replies:** 1\ **Last updated:** [December 26, 2020, 5:49pm UTC](https://forums.unrealengine.com/t/how-do-i-return-to-a-streaming-level/476390 "2020-12-26T17:49:52Z")
So I’ve the basics of level streaming but I’m curious. I was able to create a menu that acts like a closet where players can change outfits and hair and I’ve succeeded in entering using an an actor in a persistent level…… [Next page](https://forums.unrealengine.com/tag/sub-level/10514.md?match_all_tags=true&page=1&tags%5B%5D=sub-level)