# Programming & Scripting **URL:** https://forums.unrealengine.com/c/development-discussion/programming-scripting/148.md?page=18 [Latest](https://forums.unrealengine.com/latest.md) · [Categories](https://forums.unrealengine.com/categories.md) · [Tags](https://forums.unrealengine.com/tags.md) **Page:** 19 --- ## [Screenshot Function In Packaged Game](https://forums.unrealengine.com/t/screenshot-function-in-packaged-game/111617)
**Author:** [@StrangeLove13](https://forums.unrealengine.com/u/StrangeLove13)\ **Replies:** 11\ **Last updated:** [October 12, 2026, 8:10pm UTC](https://forums.unrealengine.com/t/screenshot-function-in-packaged-game/111617 "2026-10-12T20:10:03Z")
Hi! I have a camera feature in my game that uses the “HighresShot 1” Command when it saves a pic. I have it set up to save the image to my desktop that I specified in the project settings window. My question is, when I … --- ## [How to import csv files using blueprints](https://forums.unrealengine.com/t/how-to-import-csv-files-using-blueprints/458066)
**Author:** [@Redageddon](https://forums.unrealengine.com/u/Redageddon)\ **Replies:** 22\ **Last updated:** [October 12, 2026, 8:06pm UTC](https://forums.unrealengine.com/t/how-to-import-csv-files-using-blueprints/458066 "2026-10-12T20:06:59Z")
Im creating a rhythm style game an im making maps that use csv. I know how to import them using the “import to game/blueprints” but i want the user to directly use csv files. So my full question is how can i import csv f… --- ## [Open file browser - Windows](https://forums.unrealengine.com/t/open-file-browser-windows/404808)
**Author:** [@CarlMckayre](https://forums.unrealengine.com/u/CarlMckayre)\ **Replies:** 2\ **Last updated:** [October 12, 2026, 8:00pm UTC](https://forums.unrealengine.com/t/open-file-browser-windows/404808 "2026-10-12T20:00:59Z")
Hello people, I want to open the load window file browser during Run Time with the blueprint. How I can do this ? --- ## [Open/Save File dialog at runtime](https://forums.unrealengine.com/t/open-save-file-dialog-at-runtime/412293)
**Author:** [@AvataarK](https://forums.unrealengine.com/u/AvataarK)\ **Replies:** 75\ **Last updated:** [October 12, 2026, 7:51pm UTC](https://forums.unrealengine.com/t/open-save-file-dialog-at-runtime/412293 "2026-10-12T19:51:25Z")
I’m working on an app that allows users to load in 3D models. Therefore, a file dialog of sorts is needed. When I made something similar back in Unity, I had to create my own file browser widget. It’s a lot of work and h… --- ## [Is there any way to open the file browser?](https://forums.unrealengine.com/t/is-there-any-way-to-open-the-file-browser/451363)
**Author:** [@Nae\_Sama](https://forums.unrealengine.com/u/Nae_Sama)\ **Replies:** 5\ **Last updated:** [October 12, 2026, 7:48pm UTC](https://forums.unrealengine.com/t/is-there-any-way-to-open-the-file-browser/451363 "2026-10-12T19:48:15Z")
Hello, It would be better to retrieve the save file names and use those to load your saves. And use the default save folder of the game. You can use Ixiguis’s solution to retrieve save file names from the default folder… --- ## [Import an Image from Explorer in Runtime](https://forums.unrealengine.com/t/import-an-image-from-explorer-in-runtime/1528872)
**Author:** [@UberHero98](https://forums.unrealengine.com/u/UberHero98)\ **Replies:** 5\ **Last updated:** [October 12, 2026, 7:45pm UTC](https://forums.unrealengine.com/t/import-an-image-from-explorer-in-runtime/1528872 "2026-10-12T19:45:07Z")
Hey friends! Guess what? After hours of banging my head against the keyboard, I finally cracked the code conundrum that was haunting me. I scoured the internet, dove deep into research, and voila! I’ve got this neat pie… --- ## [Using FDesktopPlatformModule::OpenDirectoryDialog() in shipping build crashes app](https://forums.unrealengine.com/t/using-fdesktopplatformmodule-opendirectorydialog-in-shipping-build-crashes-app/557583)
**Author:** [@Richards\_Game\_Studio](https://forums.unrealengine.com/u/Richards_Game_Studio)\ **Replies:** 4\ **Last updated:** [October 12, 2026, 7:40pm UTC](https://forums.unrealengine.com/t/using-fdesktopplatformmodule-opendirectorydialog-in-shipping-build-crashes-app/557583 "2026-10-12T19:40:47Z")
Hello, I am building a game for Win64 in 4.27. When playing the game the user can take highres screenshots. Normally these screenshots are saved in a pre-determined folder. I want to give the player the possibility to c… --- ## [In UE 5.8 File diffs for InputMappingContext and InputAction no longer use the Details/Property diff window and open a text diff instead ](https://forums.unrealengine.com/t/in-ue-5-8-file-diffs-for-inputmappingcontext-and-inputaction-no-longer-use-the-details-property-diff-window-and-open-a-text-diff-instead/2853845)
**Author:** [@anonymous-edc](https://forums.unrealengine.com/u/anonymous-edc)\ **Replies:** 3\ **Last updated:** [October 12, 2026, 7:01pm UTC](https://forums.unrealengine.com/t/in-ue-5-8-file-diffs-for-inputmappingcontext-and-inputaction-no-longer-use-the-details-property-diff-window-and-open-a-text-diff-instead/2853845 "2026-10-12T19:01:12Z")
As described - the diff tool for InputAction and InputMappingContext assets uses a text diff in 5.8, whereas in 5.7 it used to use a more user-friendly GUI. This seems to be because UAssetDefinition\_InputAction and UAss… --- ## [I am trying to find programmer who will help me with creating creative map with UEFN fortnite](https://forums.unrealengine.com/t/i-am-trying-to-find-programmer-who-will-help-me-with-creating-creative-map-with-uefn-fortnite/2839810)
**Author:** [@pokemonalex58](https://forums.unrealengine.com/u/pokemonalex58)\ **Replies:** 0\ **Last updated:** [October 12, 2026, 6:45pm UTC](https://forums.unrealengine.com/t/i-am-trying-to-find-programmer-who-will-help-me-with-creating-creative-map-with-uefn-fortnite/2839810 "2026-10-12T18:45:56Z")
help --- ## [10 Best Mobile App Development Companies in Dubai for Business Growth](https://forums.unrealengine.com/t/10-best-mobile-app-development-companies-in-dubai-for-business-growth/2835740)
**Author:** [@yasminezabbi](https://forums.unrealengine.com/u/yasminezabbi)\ **Replies:** 1\ **Last updated:** [October 12, 2026, 4:11pm UTC](https://forums.unrealengine.com/t/10-best-mobile-app-development-companies-in-dubai-for-business-growth/2835740 "2026-10-12T16:11:20Z")
Dubai’s growing digital economy has created increasing demand for mobile applications across startups, enterprises, and established businesses. Companies are using mobile apps to improve customer engagement, simplify int… --- ## [Panel children and viewmodel binding](https://forums.unrealengine.com/t/panel-children-and-viewmodel-binding/2838179)
**Author:** [@Begounet](https://forums.unrealengine.com/u/Begounet)\ **Replies:** 1\ **Last updated:** [October 12, 2026, 10:52am UTC](https://forums.unrealengine.com/t/panel-children-and-viewmodel-binding/2838179 "2026-10-12T10:52:28Z")
Hi! I am going back to Unreal Engine after a while and discovering the Viewmodel system on UMG. It looks pretty cool so I am trying to use it for everything. Right now, I am implementing an storage system so I want to… --- ## [Granting eliminations for storm eliminations ](https://forums.unrealengine.com/t/granting-eliminations-for-storm-eliminations/2839236)
**Author:** [@Riny1](https://forums.unrealengine.com/u/Riny1)\ **Replies:** 1\ **Last updated:** [October 12, 2026, 10:52am UTC](https://forums.unrealengine.com/t/granting-eliminations-for-storm-eliminations/2839236 "2026-10-12T10:52:09Z")
Hi there, I’m trying to make a unique zonewars map but there’s a bug I’m unable to fix: When i hit a player on his green healt (“white health”) and they then get eliminated by the storm, i want the last player who hit t… --- ## [Terrain UEFN Help](https://forums.unrealengine.com/t/terrain-uefn-help/2839299)
**Author:** [@Lexo](https://forums.unrealengine.com/u/Lexo)\ **Replies:** 1\ **Last updated:** [October 12, 2026, 10:51am UTC](https://forums.unrealengine.com/t/terrain-uefn-help/2839299 "2026-10-12T10:51:42Z")
Player built structures are partially buried in Landscape terrain In my UEFN island, player-built structures, especially walls, are partially buried underground instead of sitting properly on top of the terrain. As a re… --- ## [How to tell when an object has rotated an amount of times?](https://forums.unrealengine.com/t/how-to-tell-when-an-object-has-rotated-an-amount-of-times/2839594)
**Author:** [@ddave104](https://forums.unrealengine.com/u/ddave104)\ **Replies:** 2\ **Last updated:** [October 12, 2026, 10:51am UTC](https://forums.unrealengine.com/t/how-to-tell-when-an-object-has-rotated-an-amount-of-times/2839594 "2026-10-12T10:51:06Z")
I have an object (champagne bottle) that when it rotates around on the floor it pops. Im trying to find how to tell when the object rotate around in either direction to start pop event. Any help is appreciated, thank y… --- ## [Multithreaded Save Game Save/Load questions ](https://forums.unrealengine.com/t/multithreaded-save-game-save-load-questions/2852278)
**Author:** [@anonymous-edc](https://forums.unrealengine.com/u/anonymous-edc)\ **Replies:** 2\ **Last updated:** [October 12, 2026, 7:23am UTC](https://forums.unrealengine.com/t/multithreaded-save-game-save-load-questions/2852278 "2026-10-12T07:23:23Z")
Hello ! I had some questions about save/load game and multithreading. In the save system plugin we developped, we queue some UObjects operations, such a read/write/delete files and part of each operation is run in an a… --- ## [I have been trying to make an AI like in alien isolation just did the memory part for my game please check](https://forums.unrealengine.com/t/i-have-been-trying-to-make-an-ai-like-in-alien-isolation-just-did-the-memory-part-for-my-game-please-check/2838591)
**Author:** [@FrameWorkStudios](https://forums.unrealengine.com/u/FrameWorkStudios)\ **Replies:** 1\ **Last updated:** [October 12, 2026, 5:52am UTC](https://forums.unrealengine.com/t/i-have-been-trying-to-make-an-ai-like-in-alien-isolation-just-did-the-memory-part-for-my-game-please-check/2838591 "2026-10-12T05:52:42Z")
In my game there are 2 AI’s trying to find the player when the player hides inside a closet or something The director AI send the head part to the location of the player within a 500 radius of the player. If the player u… --- ## [How to stop traffic jams from occuring in vehicle system from City Sample in UE 5.8? ](https://forums.unrealengine.com/t/how-to-stop-traffic-jams-from-occuring-in-vehicle-system-from-city-sample-in-ue-5-8/2836186)
**Author:** [@Daria.Khilchuk](https://forums.unrealengine.com/u/Daria.Khilchuk)\ **Replies:** 1\ **Last updated:** [October 12, 2026, 5:51am UTC](https://forums.unrealengine.com/t/how-to-stop-traffic-jams-from-occuring-in-vehicle-system-from-city-sample-in-ue-5-8/2836186 "2026-10-12T05:51:54Z")
Hi! I am making an ArchViz project as a tech artist, and I am using the City Sample vehicle system that spawns cars on connected zone shapes in my own project. Cars use their own physics from the source project; speed is… --- ## [Sending gameplay event to actor on server isn't triggering an ability call for client characters.](https://forums.unrealengine.com/t/sending-gameplay-event-to-actor-on-server-isnt-triggering-an-ability-call-for-client-characters/2838991)
**Author:** [@EphReal](https://forums.unrealengine.com/u/EphReal)\ **Replies:** 2\ **Last updated:** [October 12, 2026, 5:51am UTC](https://forums.unrealengine.com/t/sending-gameplay-event-to-actor-on-server-isnt-triggering-an-ability-call-for-client-characters/2838991 "2026-10-12T05:51:39Z")
I’m having trouble using a send gameplay event to actor call to activate an ability with a passed in payload in multiplayer. My setup runs all abilities server side, and one of the abilities has a wait event that ultimat… --- ## [Get all vertex position in blueprint](https://forums.unrealengine.com/t/get-all-vertex-position-in-blueprint/525948)
**Author:** [@xDrayKe11](https://forums.unrealengine.com/u/xDrayKe11)\ **Replies:** 4\ **Last updated:** [October 12, 2026, 3:14am UTC](https://forums.unrealengine.com/t/get-all-vertex-position-in-blueprint/525948 "2026-10-12T03:14:31Z")
Hello, How i can do to get all vertex position in a mesh in UE5 ? Please The node Make VertexID doesn’t have input so how can i do. Killian --- ## [Train Sim World PC editor Audio Blueprint Creation - Newbie questions](https://forums.unrealengine.com/t/train-sim-world-pc-editor-audio-blueprint-creation-newbie-questions/2839176)
**Author:** [@brigadier-bren](https://forums.unrealengine.com/u/brigadier-bren)\ **Replies:** 1\ **Last updated:** [October 12, 2026, 12:47am UTC](https://forums.unrealengine.com/t/train-sim-world-pc-editor-audio-blueprint-creation-newbie-questions/2839176 "2026-10-12T00:47:28Z")
Hi, I’m using editor 4.27 that’s built for the game Train Sim World, I’m familiar with the simple pre-built assets for train sim world, but i’m attempting to build a new blueprint that essentially plays audio segments, i… --- ## [Using Python to retarget animations to a folder](https://forums.unrealengine.com/t/using-python-to-retarget-animations-to-a-folder/2838372)
**Author:** [@pchernoff](https://forums.unrealengine.com/u/pchernoff)\ **Replies:** 1\ **Last updated:** [October 12, 2026, 12:46am UTC](https://forums.unrealengine.com/t/using-python-to-retarget-animations-to-a-folder/2838372 "2026-10-12T00:46:52Z")
I want to create a script to create a number of retargeted animations from one folder to a different folder. I am following the instructions on this web page, but the script provided doesn’t allow you to set the target f… --- ## [MIDs aren't doing what i want them to...](https://forums.unrealengine.com/t/mids-arent-doing-what-i-want-them-to/2839573)
**Author:** [@aerospike\_andy](https://forums.unrealengine.com/u/aerospike_andy)\ **Replies:** 1\ **Last updated:** [October 12, 2026, 12:46am UTC](https://forums.unrealengine.com/t/mids-arent-doing-what-i-want-them-to/2839573 "2026-10-12T00:46:37Z")
Hi Brains trust, so i am trying to pull out a material instance from a static mesh and then modify some of the material params to make it change colour etc. I am gathering the mats like this: the following 2 are both … --- ## [Follow-up: Pythom Editor Scripting Beta Access Request - BoxRush](https://forums.unrealengine.com/t/follow-up-pythom-editor-scripting-beta-access-request-boxrush/2839175)
**Author:** [@Goldmen](https://forums.unrealengine.com/u/Goldmen)\ **Replies:** 5\ **Last updated:** [October 11, 2026, 5:49pm UTC](https://forums.unrealengine.com/t/follow-up-pythom-editor-scripting-beta-access-request-boxrush/2839175 "2026-10-11T17:49:30Z")
Hi Epic team, Following up on my earlier request for the Python Editor Scripting Beta (early October, project BoxRush). \> Recap: Fortnite/UEFN: Release 42.30 (CL-58813929), Windows 11 Epic account: Goldmen Pr… --- ## [Set Anim Instance Class not working ??](https://forums.unrealengine.com/t/set-anim-instance-class-not-working/372695)
**Author:** [@juztinmikael](https://forums.unrealengine.com/u/juztinmikael)\ **Replies:** 5\ **Last updated:** [October 11, 2026, 4:53pm UTC](https://forums.unrealengine.com/t/set-anim-instance-class-not-working/372695 "2026-10-11T16:53:39Z")
I’m trying to prototype a game where the player can shapeshift based on the absorbed powerup. How I do this is that when the player gets the coin, it changes the players mesh and anim instance; however, it only changes t… --- ## [Whats the best way to learn blueprints ](https://forums.unrealengine.com/t/whats-the-best-way-to-learn-blueprints/2839197)
**Author:** [@Firefrgaments](https://forums.unrealengine.com/u/Firefrgaments)\ **Replies:** 2\ **Last updated:** [October 11, 2026, 3:16pm UTC](https://forums.unrealengine.com/t/whats-the-best-way-to-learn-blueprints/2839197 "2026-10-11T15:16:51Z")
Hi everyone! I’m new to Unreal Engine Blueprints and I want to master it. What’s the best way to learn the basics, understand how the nodes work, and eventually become good at making my own systems? Any tips or resources… --- ## [The bottom half of my atmosphere is black](https://forums.unrealengine.com/t/the-bottom-half-of-my-atmosphere-is-black/469681)
**Author:** [@blackdahila](https://forums.unrealengine.com/u/blackdahila)\ **Replies:** 14\ **Last updated:** [October 11, 2026, 1:53pm UTC](https://forums.unrealengine.com/t/the-bottom-half-of-my-atmosphere-is-black/469681 "2026-10-11T13:53:00Z")
the bottom half of my atmosphere is black, i haven’t found a solution online. i know its something simple but i have no idea how to fix it. screenshot --- ## [Is there a way to set the background image of a progress bar in the blueprint graph?](https://forums.unrealengine.com/t/is-there-a-way-to-set-the-background-image-of-a-progress-bar-in-the-blueprint-graph/2838727)
**Author:** [@pastelfable](https://forums.unrealengine.com/u/pastelfable)\ **Replies:** 3\ **Last updated:** [October 10, 2026, 5:14pm UTC](https://forums.unrealengine.com/t/is-there-a-way-to-set-the-background-image-of-a-progress-bar-in-the-blueprint-graph/2838727 "2026-10-10T17:14:06Z")
I’m making a widget for one of my gameplay abilities with a progress bar, but I have multiple characters who have different icons for this ability. I’d like to use the same widget for all characters instead of making a w… --- ## [UE5 Dedicated Server Steam Session Connection Issue - "ValidP2P\[0\] ValidHost\[1\] ConnectionMethod\[P2P\]"](https://forums.unrealengine.com/t/ue5-dedicated-server-steam-session-connection-issue-validp2p-0-validhost-1-connectionmethod-p2p/2835408)
**Author:** [@Waleri\_i](https://forums.unrealengine.com/u/Waleri_i)\ **Replies:** 2\ **Last updated:** [October 10, 2026, 4:55pm UTC](https://forums.unrealengine.com/t/ue5-dedicated-server-steam-session-connection-issue-validp2p-0-validhost-1-connectionmethod-p2p/2835408 "2026-10-10T16:55:37Z")
Hello everyone, I’m currently developing a multiplayer game in Unreal Engine 5.6 and facing a persistent issue with connecting to a Dedicated Server via Steam Online Subsystem (OSS). My client successfully finds the De… --- ## [Video playback and UI layout optimization for cross-platform media apps?](https://forums.unrealengine.com/t/video-playback-and-ui-layout-optimization-for-cross-platform-media-apps/2834918)
**Author:** [@Cineby\_HD\_App](https://forums.unrealengine.com/u/Cineby_HD_App)\ **Replies:** 1\ **Last updated:** [October 10, 2026, 8:02am UTC](https://forums.unrealengine.com/t/video-playback-and-ui-layout-optimization-for-cross-platform-media-apps/2834918 "2026-10-10T08:02:28Z")
Hi all, We are currently working on optimizing UI layouts and media rendering performance for a cross-platform streaming platform project (Cineby App). While testing video player integration, catalog rendering (4K/HD s… --- ## [How to achieve this kind of fade?](https://forums.unrealengine.com/t/how-to-achieve-this-kind-of-fade/2835492)
**Author:** [@usa423](https://forums.unrealengine.com/u/usa423)\ **Replies:** 6\ **Last updated:** [October 10, 2026, 5:45am UTC](https://forums.unrealengine.com/t/how-to-achieve-this-kind-of-fade/2835492 "2026-10-10T05:45:49Z")
It is from Shinobi 1. Shinobi 1 Arcade Gameplay Playthrough longplay - YouTube It is between transitions. I want to think you would call it some kind of “mosaic” fade. It seems like it is a bunch of black squares tha… [Previous page](https://forums.unrealengine.com/c/development-discussion/programming-scripting/148.md?page=17) [Next page](https://forums.unrealengine.com/c/development-discussion/programming-scripting/148.md?page=19)