# \#actor-blueprint **URL:** https://forums.unrealengine.com/tag/actor-blueprint/10012.md [Latest](https://forums.unrealengine.com/latest.md) · [Categories](https://forums.unrealengine.com/categories.md) · [Tags](https://forums.unrealengine.com/tags.md) --- ## [Custom groom (Alembic from Blender) renders in PIE but is completely invisible in Standalone and packaged build — UE 5.8 MetaHuman](https://forums.unrealengine.com/t/custom-groom-alembic-from-blender-renders-in-pie-but-is-completely-invisible-in-standalone-and-packaged-build-ue-5-8-metahuman/2841252)
**Author:** [@Marsal02](https://forums.unrealengine.com/u/Marsal02)\ **Replies:** 3\ **Last updated:** [October 23, 2026, 5:59am UTC](https://forums.unrealengine.com/t/custom-groom-alembic-from-blender-renders-in-pie-but-is-completely-invisible-in-standalone-and-packaged-build-ue-5-8-metahuman/2841252 "2026-10-23T05:59:09Z")
Setup: UE 5.8. MetaHuman Character → Assemble → Blueprint actor. A custom hair groom was authored by an artist in Blender and exported as Alembic. It imports fine (42,634 curves, Root UV and Width attributes present). Ha… --- ## [\[UE5.8\] Changing Light Color on a Blueprint subclass of a LightActor crashes the Editor](https://forums.unrealengine.com/t/ue5-8-changing-light-color-on-a-blueprint-subclass-of-a-lightactor-crashes-the-editor/2730956)
**Author:** [@Alex-Unclear](https://forums.unrealengine.com/u/Alex-Unclear)\ **Replies:** 2\ **Last updated:** [October 6, 2026, 4:19am UTC](https://forums.unrealengine.com/t/ue5-8-changing-light-color-on-a-blueprint-subclass-of-a-lightactor-crashes-the-editor/2730956 "2026-10-06T04:19:07Z")
Summary The crash dump is a stack overflow, it seems to be caused by an infinite loop in the Editor UI to close the Color Picker window once you have picked a Color. It seems to affect any Native Actor with a Components… --- ## [Call Custom Event By Name](https://forums.unrealengine.com/t/call-custom-event-by-name/401994)
**Author:** [@dogu189](https://forums.unrealengine.com/u/dogu189)\ **Replies:** 17\ **Last updated:** [September 28, 2026, 8:37pm UTC](https://forums.unrealengine.com/t/call-custom-event-by-name/401994 "2026-09-28T20:37:24Z")
Hey all, So I am trying to find a way call an event from another BP by a specific name in a specific blueprint I mean like this: which will then trigger the event in the ‘PawnBP or whatever the developer has decided … --- ## [Help needed: How does Cast to actually behave dynamically here? \[SOLVED\]](https://forums.unrealengine.com/t/help-needed-how-does-cast-to-actually-behave-dynamically-here-solved/2818882)
**Author:** [@Alex\_Obtain](https://forums.unrealengine.com/u/Alex_Obtain)\ **Replies:** 4\ **Last updated:** [September 19, 2026, 5:57am UTC](https://forums.unrealengine.com/t/help-needed-how-does-cast-to-actually-behave-dynamically-here-solved/2818882 "2026-09-19T05:57:31Z")
Hey everyone! I have a small minimap blueprint setup that works great, but I put it together mostly by trial and error, and now I’m trying to actually understand how it works under the hood. So, the core question: Wh… --- ## [The way I add Components to Actor via Editor Utility Widget](https://forums.unrealengine.com/t/the-way-i-add-components-to-actor-via-editor-utility-widget/677903)
**Author:** [@haruhito\_o](https://forums.unrealengine.com/u/haruhito_o)\ **Replies:** 11\ **Last updated:** [June 25, 2026, 12:19pm UTC](https://forums.unrealengine.com/t/the-way-i-add-components-to-actor-via-editor-utility-widget/677903 "2026-06-25T12:19:41Z")
If you want to add Components to your Actor in EUW, your scripts will be something like this. In my situation, this will not work as it is expected. I added Box Component, and it appears in Scene, but not in details… --- ## [Dynamic Mesh Spawning via Sockets: Separated Blender meshes rendering at parent's pivot instead of Socket location ](https://forums.unrealengine.com/t/dynamic-mesh-spawning-via-sockets-separated-blender-meshes-rendering-at-parents-pivot-instead-of-socket-location/2720144)
**Author:** [@bernardo\_robsic](https://forums.unrealengine.com/u/bernardo_robsic)\ **Replies:** 0\ **Last updated:** [May 5, 2026, 7:28pm UTC](https://forums.unrealengine.com/t/dynamic-mesh-spawning-via-sockets-separated-blender-meshes-rendering-at-parents-pivot-instead-of-socket-location/2720144 "2026-05-05T19:28:23Z")
Hi everyone, I am developing a web-based application in UE 5.5 for operators to analyze vehicle conditions. The system renders vehicle components dynamically using a Blueprint that reads data from a Data Table. For con… --- ## [change text on actors widget when actor is spawned in](https://forums.unrealengine.com/t/change-text-on-actors-widget-when-actor-is-spawned-in/2705529)
**Author:** [@Roaringleagend45](https://forums.unrealengine.com/u/Roaringleagend45)\ **Replies:** 1\ **Last updated:** [March 12, 2026, 2:16am UTC](https://forums.unrealengine.com/t/change-text-on-actors-widget-when-actor-is-spawned-in/2705529 "2026-03-12T02:16:40Z")
I have a card actor and Card widget. The actor contains the widget. I want to change the widget text on the actor when it get spawned widget script Actor script --- ## [如何通过蓝图修改Actor的名字](https://forums.unrealengine.com/t/actor/470751)
**Author:** [@user\_0374cbbed78b28d8d6aed8c8cbdf5295726cf7817aa0e1deca6983](https://forums.unrealengine.com/u/user_0374cbbed78b28d8d6aed8c8cbdf5295726cf7817aa0e1deca6983)\ **Replies:** 1\ **Last updated:** [October 15, 2025, 2:37am UTC](https://forums.unrealengine.com/t/actor/470751 "2025-10-15T02:37:12Z")
我想通过蓝图修改由蓝图创建的Actor的名字，该如何做？ --- ## [BluePrint Array Sort](https://forums.unrealengine.com/t/blueprint-array-sort/437885)
**Author:** [@Amkzul](https://forums.unrealengine.com/u/Amkzul)\ **Replies:** 7\ **Last updated:** [August 13, 2025, 7:33pm UTC](https://forums.unrealengine.com/t/blueprint-array-sort/437885 "2025-08-13T19:33:18Z")
Hello! I currently have an array that is used to create patrol points for my AI. It worked up until I moved a patrol point and now the order my AI walks between the points has moved from Patrol Point 5, Patrol Point 6, … --- ## [How do I spawn a blueprint in the level?](https://forums.unrealengine.com/t/how-do-i-spawn-a-blueprint-in-the-level/454657)
**Author:** [@EdBennett](https://forums.unrealengine.com/u/EdBennett)\ **Replies:** 5\ **Last updated:** [July 24, 2025, 8:01pm UTC](https://forums.unrealengine.com/t/how-do-i-spawn-a-blueprint-in-the-level/454657 "2025-07-24T20:01:40Z")
HI I am trying to create a blueprint which spawns blueprints into a level. However I don’t think unreal let you spawn actor on contract because it would really mess with the system. I have seen however that it is possi… --- ## [(UE5.3.2) Set lighting channels on spawnable blueprint actors in sequencer](https://forums.unrealengine.com/t/ue5-3-2-set-lighting-channels-on-spawnable-blueprint-actors-in-sequencer/2606258)
**Author:** [@telekinesticman](https://forums.unrealengine.com/u/telekinesticman)\ **Replies:** 0\ **Last updated:** [July 16, 2025, 3:37am UTC](https://forums.unrealengine.com/t/ue5-3-2-set-lighting-channels-on-spawnable-blueprint-actors-in-sequencer/2606258 "2025-07-16T03:37:48Z")
When adding a spawnable blueprint actor to the sequencer, we cannot control its lighting channels properly. As an example, we have been using skeletal meshes from a client, but then place them inside a blueprint so we ca… --- ## [Unreal Animation Speed Inconsistencies](https://forums.unrealengine.com/t/unreal-animation-speed-inconsistencies/511713)
**Author:** [@Gracorn1](https://forums.unrealengine.com/u/Gracorn1)\ **Replies:** 3\ **Last updated:** [July 14, 2025, 10:32pm UTC](https://forums.unrealengine.com/t/unreal-animation-speed-inconsistencies/511713 "2025-07-14T22:32:20Z")
Hello, I cannot find a fix for this anywhere online and I hope I’m putting this under the right category! My team and I are putting a walk animation in UE4-4.25.4. The walk happens and triggers fine there is no issue the… --- ## [Strange physics bug with Chaos Vehicle pawn affecting only new instances from Contents folder.](https://forums.unrealengine.com/t/strange-physics-bug-with-chaos-vehicle-pawn-affecting-only-new-instances-from-contents-folder/2597784)
**Author:** [@Jae-Lin](https://forums.unrealengine.com/u/Jae-Lin)\ **Replies:** 0\ **Last updated:** [July 8, 2025, 11:38pm UTC](https://forums.unrealengine.com/t/strange-physics-bug-with-chaos-vehicle-pawn-affecting-only-new-instances-from-contents-folder/2597784 "2025-07-08T23:38:04Z")
I have a serious issue with my Chaos Vehicle Pawn. The existing BP pawn that I have had placed in-world for the duration of the project has always worked fine and behaves as expected. However the issue starts only when I… --- ## [Destroy Actor not working](https://forums.unrealengine.com/t/destroy-actor-not-working/418672)
**Author:** [@TheCatPlaysGamez](https://forums.unrealengine.com/u/TheCatPlaysGamez)\ **Replies:** 6\ **Last updated:** [May 1, 2025, 10:29am UTC](https://forums.unrealengine.com/t/destroy-actor-not-working/418672 "2025-05-01T10:29:05Z")
Hello. I have this blueprint issue where for some reason, i simply cant get kill actor to work on any of my blueprints. I currently have a project with a tank that can shoot projectiles, the blueprint is “EventHit”\>“Del… --- ## [Spawn an Actor using a widget button](https://forums.unrealengine.com/t/spawn-an-actor-using-a-widget-button/399213)
**Author:** [@fajelarodel](https://forums.unrealengine.com/u/fajelarodel)\ **Replies:** 8\ **Last updated:** [April 10, 2025, 10:29pm UTC](https://forums.unrealengine.com/t/spawn-an-actor-using-a-widget-button/399213 "2025-04-10T22:29:04Z")
I create a variable and then on the variable type I find and select the Piece and the Target --- ## [150 Units away from the target](https://forums.unrealengine.com/t/150-units-away-from-the-target/2405104)
**Author:** [@LuBuSniper](https://forums.unrealengine.com/u/LuBuSniper)\ **Replies:** 3\ **Last updated:** [March 21, 2025, 5:18pm UTC](https://forums.unrealengine.com/t/150-units-away-from-the-target/2405104 "2025-03-21T17:18:02Z")
Hello everyone, I want to Move my character to Cube Actor’s location but I don’t want it to be so close, so I subtracted the Cube’s location by 150 units it worked but there is an issue here, I want my character to stay … --- ## [Create custom mesh actor with python](https://forums.unrealengine.com/t/create-custom-mesh-actor-with-python/451009)
**Author:** [@anonymous\_user\_c6d1ecef](https://forums.unrealengine.com/u/anonymous_user_c6d1ecef)\ **Replies:** 2\ **Last updated:** [March 13, 2025, 2:42pm UTC](https://forums.unrealengine.com/t/create-custom-mesh-actor-with-python/451009 "2025-03-13T14:42:24Z")
Hello there. I’m trying to use the Python plugin to automate some content creation. Specifically, I am trying to create an actor with a HierarchicalInstancedStaticMeshComponent and place it in a scene, without resortin… --- ## [Can't save a Map because of ActorSequence in a BlueprintActor](https://forums.unrealengine.com/t/cant-save-a-map-because-of-actorsequence-in-a-blueprintactor/667292)
**Author:** [@black\_white\_nova](https://forums.unrealengine.com/u/black_white_nova)\ **Replies:** 1\ **Last updated:** [March 12, 2025, 1:07pm UTC](https://forums.unrealengine.com/t/cant-save-a-map-because-of-actorsequence-in-a-blueprintactor/667292 "2025-03-12T13:07:41Z")
Hello i’m a student in Game design, i’m currently learning UnrealEngine 4 and i can’t save my map because of this error : -Graph is linked to external private object unknown blueprint After some trials and error, i ide… --- ## [How to balance motorcycle chaos vehicle (2 wheels)](https://forums.unrealengine.com/t/how-to-balance-motorcycle-chaos-vehicle-2-wheels/690806)
**Author:** [@maksymalny771](https://forums.unrealengine.com/u/maksymalny771)\ **Replies:** 9\ **Last updated:** [December 30, 2024, 3:49pm UTC](https://forums.unrealengine.com/t/how-to-balance-motorcycle-chaos-vehicle-2-wheels/690806 "2024-12-30T15:49:52Z")
Hi. I’m creating a game about motorbikes. I want to balance my motorcycle will not fall on the ground. I tried to lock constraints but I didn’t like the way that it worked. I want to make my bike lean at the corners. I l… --- ## [Casting Successful, But Error Shows When Using the "As" Pin](https://forums.unrealengine.com/t/casting-successful-but-error-shows-when-using-the-as-pin/2152036)
**Author:** [@Maximum.Dino](https://forums.unrealengine.com/u/Maximum.Dino)\ **Replies:** 9\ **Last updated:** [November 28, 2024, 4:07pm UTC](https://forums.unrealengine.com/t/casting-successful-but-error-shows-when-using-the-as-pin/2152036 "2024-11-28T16:07:46Z")
I’m working on an inventory system and all has been going well, I’m following a tutorial basically to a tee, but I’m getting an error that seems to be saying that it can’t the ‘As BP\_Item’ is inaccessible, ‘pending kill … --- ## [How to turn on/off spotlight with with a widgets button?](https://forums.unrealengine.com/t/how-to-turn-on-off-spotlight-with-with-a-widgets-button/1745608)
**Author:** [@N\_DOKY](https://forums.unrealengine.com/u/N_DOKY)\ **Replies:** 2\ **Last updated:** [November 26, 2024, 10:51am UTC](https://forums.unrealengine.com/t/how-to-turn-on-off-spotlight-with-with-a-widgets-button/1745608 "2024-11-26T10:51:24Z")
Hi there UE experts! How to turn on/off spotlight with with a widgets button? So it acts like a light switch. I can’t get the blue print working, I seem to be not understanding the blueprints logic. What I did: I mad… --- ## [Floating Actor after spawning through Blueprint](https://forums.unrealengine.com/t/floating-actor-after-spawning-through-blueprint/2090881)
**Author:** [@mattv](https://forums.unrealengine.com/u/mattv)\ **Replies:** 4\ **Last updated:** [October 28, 2024, 6:11pm UTC](https://forums.unrealengine.com/t/floating-actor-after-spawning-through-blueprint/2090881 "2024-10-28T18:11:22Z")
So i feel i’m going in circles on this one! I have set up a plane that when overlapped by the player it will randomly spawn ‘Enemy Actors’ around the plane about 200Z above the plane however the actors are just hovering… --- ## [how to create a blueprint of respawn actor on same location it died](https://forums.unrealengine.com/t/how-to-create-a-blueprint-of-respawn-actor-on-same-location-it-died/2055821)
**Author:** [@GurmailSingh03](https://forums.unrealengine.com/u/GurmailSingh03)\ **Replies:** 6\ **Last updated:** [October 8, 2024, 8:05am UTC](https://forums.unrealengine.com/t/how-to-create-a-blueprint-of-respawn-actor-on-same-location-it-died/2055821 "2024-10-08T08:05:14Z")
I am developing a infinite running game in which when a charcter dies i want it to respawn it on the same location it died i searched alot but am not getting my solution can anyone tell me how to do that thing in blue pr… --- ## [How is this boolean possibly returning false?](https://forums.unrealengine.com/t/how-is-this-boolean-possibly-returning-false/2057200)
**Author:** [@Kotaru\_1](https://forums.unrealengine.com/u/Kotaru_1)\ **Replies:** 3\ **Last updated:** [October 7, 2024, 4:43pm UTC](https://forums.unrealengine.com/t/how-is-this-boolean-possibly-returning-false/2057200 "2024-10-07T16:43:10Z")
I have an interface with a boolean value that always returns false, even if literal This breakpoint gets triggered, and when I continue the execution it takes me to the matching event in this actor The boolean th… --- ## [Launch character not working for AI](https://forums.unrealengine.com/t/launch-character-not-working-for-ai/2049469)
**Author:** [@AKKKOU](https://forums.unrealengine.com/u/AKKKOU)\ **Replies:** 0\ **Last updated:** [October 2, 2024, 10:09am UTC](https://forums.unrealengine.com/t/launch-character-not-working-for-ai/2049469 "2024-10-02T10:09:47Z")
I’m trying to make a thrust attack for my boss and I’m trying to use the Launch Character function, I tried many ways but it’s just not moving at all, this task is run after a AI move to, but it’s still not working afte… --- ## [Is there a way to reset an actor to the state it was in when it spawned?](https://forums.unrealengine.com/t/is-there-a-way-to-reset-an-actor-to-the-state-it-was-in-when-it-spawned/447559)
**Author:** [@N0rgannon](https://forums.unrealengine.com/u/N0rgannon)\ **Replies:** 6\ **Last updated:** [September 28, 2024, 11:09am UTC](https://forums.unrealengine.com/t/is-there-a-way-to-reset-an-actor-to-the-state-it-was-in-when-it-spawned/447559 "2024-09-28T11:09:18Z")
Hello ! What I would like to achieve is to reset the enemies in my level when the player character reaches a save point trigger. I wondered if there is an already built-in way to tell a enemy ( Actor) to reset to its o… --- ## [How to create a global actor for simulation management](https://forums.unrealengine.com/t/how-to-create-a-global-actor-for-simulation-management/474537)
**Author:** [@OzMomotaro](https://forums.unrealengine.com/u/OzMomotaro)\ **Replies:** 6\ **Last updated:** [September 24, 2024, 7:37pm UTC](https://forums.unrealengine.com/t/how-to-create-a-global-actor-for-simulation-management/474537 "2024-09-24T19:37:40Z")
Background I have been developing a test simulation that has an arbitrary number of autonomous vehicles moving around an automatically generated environment - with a number of autonomous turrets that fire projectiles. T… --- ## [Rotating ring not stopping when socket faces static actor.](https://forums.unrealengine.com/t/rotating-ring-not-stopping-when-socket-faces-static-actor/2017828)
**Author:** [@Kamagawa](https://forums.unrealengine.com/u/Kamagawa)\ **Replies:** 1\ **Last updated:** [September 13, 2024, 7:07am UTC](https://forums.unrealengine.com/t/rotating-ring-not-stopping-when-socket-faces-static-actor/2017828 "2024-09-13T07:07:24Z")
I will try to describe my situation as best as I can. I have an array of 5 rings and a wall with an actor (RingAlignmentActor) for helping with this situation. The wall and rings are randomly populated with Servers. A… --- ## [Convert fbx/gltf scene import to a blueprint, while keeping full hierarchy?](https://forums.unrealengine.com/t/convert-fbx-gltf-scene-import-to-a-blueprint-while-keeping-full-hierarchy/2013392)
**Author:** [@OriH33121](https://forums.unrealengine.com/u/OriH33121)\ **Replies:** 0\ **Last updated:** [September 9, 2024, 3:32pm UTC](https://forums.unrealengine.com/t/convert-fbx-gltf-scene-import-to-a-blueprint-while-keeping-full-hierarchy/2013392 "2024-09-09T15:32:12Z")
Hi, I’m importing FBX files of complex machinery with multiple levels of hierarchy (i.e. I have assemblies with subassemblies which have their own mix of parts/subassemblies) using the FBX scene import, works great. How… --- ## [Skeletal Mesh Disappears When looking in a specific Direction](https://forums.unrealengine.com/t/skeletal-mesh-disappears-when-looking-in-a-specific-direction/491250)
**Author:** [@Pupster](https://forums.unrealengine.com/u/Pupster)\ **Replies:** 5\ **Last updated:** [July 17, 2024, 7:04pm UTC](https://forums.unrealengine.com/t/skeletal-mesh-disappears-when-looking-in-a-specific-direction/491250 "2024-07-17T19:04:46Z")
I am using unreal engine five but the issue still exists in 4.27. The skeletal mesh disappears when looking in 4 specific directions, and the skeletal mesh still produces a shadow which can be seen when looking down. Not… [Next page](https://forums.unrealengine.com/tag/actor-blueprint/10012.md?match_all_tags=true&page=1&tags%5B%5D=actor-blueprint)