# Programming & Scripting **URL:** https://forums.unrealengine.com/c/development-discussion/programming-scripting/148.md?page=24 [Latest](https://forums.unrealengine.com/latest.md) · [Categories](https://forums.unrealengine.com/categories.md) · [Tags](https://forums.unrealengine.com/tags.md) **Page:** 25 --- ## [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 … --- ## [Call Blueprint Event from Console](https://forums.unrealengine.com/t/call-blueprint-event-from-console/9245)
**Author:** [@scrcro](https://forums.unrealengine.com/u/scrcro)\ **Replies:** 13\ **Last updated:** [September 28, 2026, 8:27pm UTC](https://forums.unrealengine.com/t/call-blueprint-event-from-console/9245 "2026-09-28T20:27:03Z")
Hi, Does anyone know of a way to bind blueprint events to console commands, mainly so I can debug a fairly complex blueprint without binding keys for each individual variable and such? Ideally I’d like to avoid using C+… --- ## [Can't read variables from DefaultEngine.ini file. Going crazy!](https://forums.unrealengine.com/t/cant-read-variables-from-defaultengine-ini-file-going-crazy/2038575)
**Author:** [@QubaXR](https://forums.unrealengine.com/u/QubaXR)\ **Replies:** 37\ **Last updated:** [September 28, 2026, 8:12pm UTC](https://forums.unrealengine.com/t/cant-read-variables-from-defaultengine-ini-file-going-crazy/2038575 "2026-09-28T20:12:18Z")
Please help, I am losing my mind here. Posting only after reading a ton of docs and forum posts to no avail. I have a generative art project built in UE5.4.4 and would like to feed it certain parameters from a config fi… --- ## [All Lights Fade When Looking Away From Them](https://forums.unrealengine.com/t/all-lights-fade-when-looking-away-from-them/2835013)
**Author:** [@Impudent\_Swine](https://forums.unrealengine.com/u/Impudent_Swine)\ **Replies:** 1\ **Last updated:** [September 28, 2026, 8:08pm UTC](https://forums.unrealengine.com/t/all-lights-fade-when-looking-away-from-them/2835013 "2026-09-28T20:08:15Z")
As the title says, lights placed in the level fade when looking away from them, both in the editor and when the game is running. I tried disabling auto exposure, setting the min/max EV to be the same to disable it, and t… --- ## [Animations out of sync when using IK Hand Gun socket on default epic skeleton](https://forums.unrealengine.com/t/animations-out-of-sync-when-using-ik-hand-gun-socket-on-default-epic-skeleton/2834545)
**Author:** [@Killerbanaple](https://forums.unrealengine.com/u/Killerbanaple)\ **Replies:** 3\ **Last updated:** [September 28, 2026, 7:36pm UTC](https://forums.unrealengine.com/t/animations-out-of-sync-when-using-ik-hand-gun-socket-on-default-epic-skeleton/2834545 "2026-09-28T19:36:13Z")
When I attach items to my skeletal mesh normally using any other socket (for example, the right hand bone), they work find and sync correctly. When I attach them to the IK hand gun bone, however, the animation lag far be… --- ## [First person camera's forward vector not matching crosshair](https://forums.unrealengine.com/t/first-person-cameras-forward-vector-not-matching-crosshair/2834547)
**Author:** [@ViaCognita](https://forums.unrealengine.com/u/ViaCognita)\ **Replies:** 3\ **Last updated:** [September 28, 2026, 6:22pm UTC](https://forums.unrealengine.com/t/first-person-cameras-forward-vector-not-matching-crosshair/2834547 "2026-09-28T18:22:23Z")
Hi! I’m using the First person template to test where is camera’s forward vector pointing to. To know it, I have used a Line Trace: A User Interface Widget with a Crosshair: But it seems that the cross hair is … --- ## [In niagara how to set attributes per particle(position, size) into a single array. ](https://forums.unrealengine.com/t/in-niagara-how-to-set-attributes-per-particle-position-size-into-a-single-array/2388207)
**Author:** [@Azad\_Motion\_Blur](https://forums.unrealengine.com/u/Azad_Motion_Blur)\ **Replies:** 1\ **Last updated:** [September 28, 2026, 5:45pm UTC](https://forums.unrealengine.com/t/in-niagara-how-to-set-attributes-per-particle-position-size-into-a-single-array/2388207 "2026-09-28T17:45:02Z")
I want to write particle data into a 2D grid, but doing it per particle is very slow. I need to store particle attributes in an array instead. Any solutions. Even a hint can help alot. --- ## [How can I make a UMG widget respond correctly to keyboard and gamepad input?](https://forums.unrealengine.com/t/how-can-i-make-a-umg-widget-respond-correctly-to-keyboard-and-gamepad-input/2834938)
**Author:** [@Suhebm](https://forums.unrealengine.com/u/Suhebm)\ **Replies:** 1\ **Last updated:** [September 28, 2026, 12:59pm UTC](https://forums.unrealengine.com/t/how-can-i-make-a-umg-widget-respond-correctly-to-keyboard-and-gamepad-input/2834938 "2026-09-28T12:59:14Z")
I created a menu/UI in Unreal Engine. How can I make sure players can move through the buttons using the keyboard or a controller? --- ## [UE5.5: Widget with animations - how to remove only animation from screen, not the entire widget?](https://forums.unrealengine.com/t/ue5-5-widget-with-animations-how-to-remove-only-animation-from-screen-not-the-entire-widget/2834773)
**Author:** [@OkItsTheChris](https://forums.unrealengine.com/u/OkItsTheChris)\ **Replies:** 5\ **Last updated:** [September 28, 2026, 9:43am UTC](https://forums.unrealengine.com/t/ue5-5-widget-with-animations-how-to-remove-only-animation-from-screen-not-the-entire-widget/2834773 "2026-09-28T09:43:22Z")
Hi everyone, here’s my setup broken down to a basic level: I have a widget with text and images and it contains 2 animations. One that plays 30 seconds long (anim1) and one that is 3 seconds long (anim2) and actually is… --- ## [Construction Scripts and skeletal meshes ](https://forums.unrealengine.com/t/construction-scripts-and-skeletal-meshes/2834063)
**Author:** [@AvengingDiablo1](https://forums.unrealengine.com/u/AvengingDiablo1)\ **Replies:** 2\ **Last updated:** [September 28, 2026, 8:54am UTC](https://forums.unrealengine.com/t/construction-scripts-and-skeletal-meshes/2834063 "2026-09-28T08:54:26Z")
I’m Making a simple prototype. Its a base for a randomly generated item/Weapon mostly weapons for now. With a simple flat and a branch i managed to have the seed and other values to be generated only on spawn but in case… --- ## [How to consolidate variables with the same name and type into a single parent class?](https://forums.unrealengine.com/t/how-to-consolidate-variables-with-the-same-name-and-type-into-a-single-parent-class/2834621)
**Author:** [@SemanticRain619](https://forums.unrealengine.com/u/SemanticRain619)\ **Replies:** 2\ **Last updated:** [September 28, 2026, 8:43am UTC](https://forums.unrealengine.com/t/how-to-consolidate-variables-with-the-same-name-and-type-into-a-single-parent-class/2834621 "2026-09-28T08:43:18Z")
I want to assign a common parent class to the primary data assets I created individually, so that they can share common functions. And I would like to move and consolidate a class—sharing the same name and type—into a pa… --- ## [Suggestion for a New Export Option](https://forums.unrealengine.com/t/suggestion-for-a-new-export-option/2765129)
**Author:** [@CalebDollarhide](https://forums.unrealengine.com/u/CalebDollarhide)\ **Replies:** 2\ **Last updated:** [September 28, 2026, 8:22am UTC](https://forums.unrealengine.com/t/suggestion-for-a-new-export-option/2765129 "2026-09-28T08:22:04Z")
Under the export settings when exporting the registration and COLMAP is chosen (though I imagine it can apply to other formats), include a new setting labeled something like “Single Camera”. The reason is that even if y… --- ## [Why is "Add Controller Pitch Input" not responsing](https://forums.unrealengine.com/t/why-is-add-controller-pitch-input-not-responsing/300348)
**Author:** [@Tackti](https://forums.unrealengine.com/u/Tackti)\ **Replies:** 17\ **Last updated:** [September 28, 2026, 7:54am UTC](https://forums.unrealengine.com/t/why-is-add-controller-pitch-input-not-responsing/300348 "2026-09-28T07:54:40Z")
I’ve been following a tutorial in order to get some basic player movement. But for some reason, the pitch input is the only one not responding, it looks like inputaxis is spitting out some values but its not changing at … --- ## [Hey can anyone help me with the unusual random bouncing/jumping of vehical whenerver I hit play? ](https://forums.unrealengine.com/t/hey-can-anyone-help-me-with-the-unusual-random-bouncing-jumping-of-vehical-whenerver-i-hit-play/2834497)
**Author:** [@hksinfinity](https://forums.unrealengine.com/u/hksinfinity)\ **Replies:** 2\ **Last updated:** [September 28, 2026, 6:26am UTC](https://forums.unrealengine.com/t/hey-can-anyone-help-me-with-the-unusual-random-bouncing-jumping-of-vehical-whenerver-i-hit-play/2834497 "2026-09-28T06:26:05Z")
I have tried adjusting the physics asset with wheel piviot and as well as turning off/on the collision but it still jumps, I am using Third person template and imported vehical template and replace the mesh with diff… --- ## [How can I change order of components?](https://forums.unrealengine.com/t/how-can-i-change-order-of-components/450330)
**Author:** [@KeungKeung](https://forums.unrealengine.com/u/KeungKeung)\ **Replies:** 47\ **Last updated:** [September 28, 2026, 3:02am UTC](https://forums.unrealengine.com/t/how-can-i-change-order-of-components/450330 "2026-09-28T03:02:22Z")
How??? They dont move though I dragged and dropped them --- ## [Show world space widget for specific player only in Split-screen?](https://forums.unrealengine.com/t/show-world-space-widget-for-specific-player-only-in-split-screen/139905)
**Author:** [@DasOachkatzl](https://forums.unrealengine.com/u/DasOachkatzl)\ **Replies:** 5\ **Last updated:** [September 27, 2026, 10:01pm UTC](https://forums.unrealengine.com/t/show-world-space-widget-for-specific-player-only-in-split-screen/139905 "2026-09-27T22:01:09Z")
Is it possible to draw 3D / worldspace widgets for a certain player only - working on a split-screen game. I’m trying to achieve something similar to the name tags in Rocket League, but I can’t just go ahead and add a Wo… --- ## [need a team](https://forums.unrealengine.com/t/need-a-team/2834800)
**Author:** [@pokemonalex58](https://forums.unrealengine.com/u/pokemonalex58)\ **Replies:** 0\ **Last updated:** [September 27, 2026, 9:17pm UTC](https://forums.unrealengine.com/t/need-a-team/2834800 "2026-09-27T21:17:56Z")
i need a team that know how to code and build --- ## [When I play an animation montage immediately after setting a new animation blueprint during runtime I see a singular frame of the ABP before starting the montage. How can I avoid this?](https://forums.unrealengine.com/t/when-i-play-an-animation-montage-immediately-after-setting-a-new-animation-blueprint-during-runtime-i-see-a-singular-frame-of-the-abp-before-starting-the-montage-how-can-i-avoid-this/2834785)
**Author:** [@Killerbanaple](https://forums.unrealengine.com/u/Killerbanaple)\ **Replies:** 1\ **Last updated:** [September 27, 2026, 9:12pm UTC](https://forums.unrealengine.com/t/when-i-play-an-animation-montage-immediately-after-setting-a-new-animation-blueprint-during-runtime-i-see-a-singular-frame-of-the-abp-before-starting-the-montage-how-can-i-avoid-this/2834785 "2026-09-27T21:12:27Z")
I have several animation blueprints, one for each of my items. I want to change my animation blueprint to the associated item so that it shows after putting away the current item. I can’t start playing the montage prior … --- ## [Does Common Lazy Image not work inside a Common Tile View?](https://forums.unrealengine.com/t/does-common-lazy-image-not-work-inside-a-common-tile-view/2833685)
**Author:** [@Krileon](https://forums.unrealengine.com/u/Krileon)\ **Replies:** 4\ **Last updated:** [September 27, 2026, 2:05pm UTC](https://forums.unrealengine.com/t/does-common-lazy-image-not-work-inside-a-common-tile-view/2833685 "2026-09-27T14:05:44Z")
For the life of me I cannot get these things to load their textures. No matter what I do it will not load unless I hardcode the text into the widget, but that obviously is pointless since I’m building a dynamic list. Th… --- ## [\[UNPAID/HOBBY\] Looking for UE5 Developer to Build WW1 Story Game ](https://forums.unrealengine.com/t/unpaid-hobby-looking-for-ue5-developer-to-build-ww1-story-game/2834737)
**Author:** [@luhhuserr](https://forums.unrealengine.com/u/luhhuserr)\ **Replies:** 0\ **Last updated:** [September 27, 2026, 1:29pm UTC](https://forums.unrealengine.com/t/unpaid-hobby-looking-for-ue5-developer-to-build-ww1-story-game/2834737 "2026-09-27T13:29:01Z")
I’m trying to make a story-driven WW1 alternate-history game in Unreal Engine 5. The war itself is real: World War I. The main idea is what if the Allies never won WW1? You play as Trey, an American soldier, alongside … --- ## [Almost totally not laggy bot, how to?](https://forums.unrealengine.com/t/almost-totally-not-laggy-bot-how-to/2746858)
**Author:** [@Neongho](https://forums.unrealengine.com/u/Neongho)\ **Replies:** 6\ **Last updated:** [September 27, 2026, 12:06pm UTC](https://forums.unrealengine.com/t/almost-totally-not-laggy-bot-how-to/2746858 "2026-09-27T12:06:03Z")
Overview: my bots are ultra laggy in UE4 I was thinking :thinking: about getting a simulated bot from client or something that predicts… If anyone ever did this and gets no laggy bots “AI controllers” please tell me. Su… --- ## [Static vs dynamic mesh component rendering performance](https://forums.unrealengine.com/t/static-vs-dynamic-mesh-component-rendering-performance/2834620)
**Author:** [@volumetrix](https://forums.unrealengine.com/u/volumetrix)\ **Replies:** 0\ **Last updated:** [September 27, 2026, 7:42am UTC](https://forums.unrealengine.com/t/static-vs-dynamic-mesh-component-rendering-performance/2834620 "2026-09-27T07:42:40Z")
When developing a game that supports user-built assets, the standard approach seems to use dynamic mesh components instead of static mesh components (which cannot be created during runtime). It’s not clear what the trad… --- ## [Replicating Play Montage Behaviour ](https://forums.unrealengine.com/t/replicating-play-montage-behaviour/2833360)
**Author:** [@EphReal](https://forums.unrealengine.com/u/EphReal)\ **Replies:** 7\ **Last updated:** [September 27, 2026, 1:37am UTC](https://forums.unrealengine.com/t/replicating-play-montage-behaviour/2833360 "2026-09-27T01:37:14Z")
I’m attempting to learn GAS and Unreal at the moment, and I’m having some trouble understanding some discrepancies with my replication behaviour for the PlayMontage node. Essentially, the below image is the implementatio… --- ## [\[Open Beta\] Procedural On-the-Fly Animation in UE4: iTween!](https://forums.unrealengine.com/t/open-beta-procedural-on-the-fly-animation-in-ue4-itween/10472)
**Author:** [@JaredTherriault](https://forums.unrealengine.com/u/JaredTherriault)\ **Replies:** 585\ **Last updated:** [September 26, 2026, 7:24pm UTC](https://forums.unrealengine.com/t/open-beta-procedural-on-the-fly-animation-in-ue4-itween/10472 "2026-09-26T19:24:42Z")
For those who may not know, iTween is a procedural animation package for Unity that allows you to animate objects on the fly during runtime. Move , rotate this way, change to this colour, scale to this size, etc. Tell it… --- ## [Why is there no "New C++ Struct" option?](https://forums.unrealengine.com/t/why-is-there-no-new-c-struct-option/2745392)
**Author:** [@BudgetArms](https://forums.unrealengine.com/u/BudgetArms)\ **Replies:** 7\ **Last updated:** [September 26, 2026, 3:22pm UTC](https://forums.unrealengine.com/t/why-is-there-no-new-c-struct-option/2745392 "2026-09-26T15:22:40Z")
Under Tools, there’s an option “New C++ Class”, which allows the creation of C++ classes and to see what classes derive from what other classes. Overall, it makes it way easier to create an unreal class, compared to man… --- ## [我有个问题暗区突围手游该怎么解包 ](https://forums.unrealengine.com/t/topic/2834495)
**Author:** [@OutspokenYak4769](https://forums.unrealengine.com/u/OutspokenYak4769)\ **Replies:** 1\ **Last updated:** [September 26, 2026, 2:29pm UTC](https://forums.unrealengine.com/t/topic/2834495 "2026-09-26T14:29:53Z")
该怎么获取暗区突围手游3d模型 --- ## [Potential Linux Support for UEFN? ](https://forums.unrealengine.com/t/potential-linux-support-for-uefn/2834494)
**Author:** [@skybloom404](https://forums.unrealengine.com/u/skybloom404)\ **Replies:** 0\ **Last updated:** [September 26, 2026, 2:14pm UTC](https://forums.unrealengine.com/t/potential-linux-support-for-uefn/2834494 "2026-09-26T14:14:40Z")
Linux gaming has grown significantly over the past decade due to Proton, the Steam Deck, and improvements to graphics drivers and anti-cheat support. Unreal Engine already supports Linux development, and Easy Anti-Cheat … --- ## [Why character fall down through landscape? Engine bug](https://forums.unrealengine.com/t/why-character-fall-down-through-landscape-engine-bug/2834463)
**Author:** [@Ruslanmin2](https://forums.unrealengine.com/u/Ruslanmin2)\ **Replies:** 0\ **Last updated:** [September 26, 2026, 10:25am UTC](https://forums.unrealengine.com/t/why-character-fall-down-through-landscape-engine-bug/2834463 "2026-09-26T10:25:37Z")
I have created binoculars with spring arm of camera, but when I activate camera and move camera around in the world then my character falls down through landscape, how I can fix it? Please help me! I am using ALS Commun… --- ## [switch videos after zoom effect ](https://forums.unrealengine.com/t/switch-videos-after-zoom-effect/2707784)
**Author:** [@diamondann](https://forums.unrealengine.com/u/diamondann)\ **Replies:** 6\ **Last updated:** [September 26, 2026, 10:10am UTC](https://forums.unrealengine.com/t/switch-videos-after-zoom-effect/2707784 "2026-09-26T10:10:29Z")
Hey, can anyone help me? I’m working on a main menu, and I have a 3D background with a video playing on a TV in a loop. I want the camera to zoom in on the TV when you hit “Play,” and it should play a different video whe… --- ## ["Set Editor Property" for Niagara System](https://forums.unrealengine.com/t/set-editor-property-for-niagara-system/2459693)
**Author:** [@ITDude22](https://forums.unrealengine.com/u/ITDude22)\ **Replies:** 1\ **Last updated:** [September 26, 2026, 10:01am UTC](https://forums.unrealengine.com/t/set-editor-property-for-niagara-system/2459693 "2026-09-26T10:01:16Z")
I am working on an editor utility widget that automates the process of creating Niagara Systems. I am using the “Create Asset” node to create the Niagara System assets. From there, I have JSON files that contain data for… [Previous page](https://forums.unrealengine.com/c/development-discussion/programming-scripting/148.md?page=23) [Next page](https://forums.unrealengine.com/c/development-discussion/programming-scripting/148.md?page=25)