# \#service **URL:** https://forums.unrealengine.com/tag/service/5233.md [Latest](https://forums.unrealengine.com/latest.md) · [Categories](https://forums.unrealengine.com/categories.md) · [Tags](https://forums.unrealengine.com/tags.md) --- ## [Out of the box, custom game installer / updater / gamecdn for your projects.](https://forums.unrealengine.com/t/out-of-the-box-custom-game-installer-updater-gamecdn-for-your-projects/2698380)
**Author:** [@loopzilla](https://forums.unrealengine.com/u/loopzilla)\ **Replies:** 0\ **Last updated:** [February 8, 2026, 9:48pm UTC](https://forums.unrealengine.com/t/out-of-the-box-custom-game-installer-updater-gamecdn-for-your-projects/2698380 "2026-02-08T21:48:54Z")
Hello, We’ve made a custom game installer/updater for your projects ! Full SaaS ready to use. Free proposition: 5 GB storage + 30 GB network traffic / month. Binary diff patch algorithm for incremental updates (eff… --- ## [Ai Perception and Pathfinding debug](https://forums.unrealengine.com/t/ai-perception-and-pathfinding-debug/2653113)
**Author:** [@ybenjamin0](https://forums.unrealengine.com/u/ybenjamin0)\ **Replies:** 8\ **Last updated:** [September 9, 2025, 12:19am UTC](https://forums.unrealengine.com/t/ai-perception-and-pathfinding-debug/2653113 "2025-09-09T00:19:57Z")
hello, i need help to understand the ai perception and pathfinding in unreal. I made a behavior tree service for the enemy if the player is in certain ranges, either the enemy will shoot or melee attack. I’m trying to fi… --- ## [Newbie Member From India](https://forums.unrealengine.com/t/newbie-member-from-india/2483092)
**Author:** [@Rameshsharma1](https://forums.unrealengine.com/u/Rameshsharma1)\ **Replies:** 1\ **Last updated:** [May 7, 2025, 2:12pm UTC](https://forums.unrealengine.com/t/newbie-member-from-india/2483092 "2025-05-07T14:12:08Z")
Hello everyone, I’m Ramesh Sharma from India, founder of Web Media Infotech Pvt. Ltd., based in Zirakpur, Punjab. I’m glad to join this forum and connect with professionals who share the same passion for web development… --- ## [EOS\_InvalidUser comes when receiving sanction data](https://forums.unrealengine.com/t/eos-invaliduser-comes-when-receiving-sanction-data/2245652)
**Author:** [@vtsiuriupa](https://forums.unrealengine.com/u/vtsiuriupa)\ **Replies:** 0\ **Last updated:** [December 27, 2024, 3:13pm UTC](https://forums.unrealengine.com/t/eos-invaliduser-comes-when-receiving-sanction-data/2245652 "2024-12-27T15:13:44Z")
Hello! We are unable to retrieve player sanction data on EGS. At the same time, everything else works as it should. The player can play online. Via EOS\_Sanctions\_QueryActivePlayerSanctions we send the UserID and I can s… --- ## [Best Practices and Help Regarding Behavior Tree Chase/RotateToPlayer Task and Walk Speed Adjustments Based on Player Proximity](https://forums.unrealengine.com/t/best-practices-and-help-regarding-behavior-tree-chase-rotatetoplayer-task-and-walk-speed-adjustments-based-on-player-proximity/1477790)
**Author:** [@N0dnarb](https://forums.unrealengine.com/u/N0dnarb)\ **Replies:** 2\ **Last updated:** [December 5, 2023, 4:18am UTC](https://forums.unrealengine.com/t/best-practices-and-help-regarding-behavior-tree-chase-rotatetoplayer-task-and-walk-speed-adjustments-based-on-player-proximity/1477790 "2023-12-05T04:18:44Z")
Hello anyone, I have a few issues I’d like clarity on, all involve each other. Issue 1: I think I’ve scripted an interesting way of combining the functionality of an NPC chasing and rotating to face a player in one tas… --- ## [Blackboard key in BT service variables changes on project start](https://forums.unrealengine.com/t/blackboard-key-in-bt-service-variables-changes-on-project-start/462050)
**Author:** [@mistercokes](https://forums.unrealengine.com/u/mistercokes)\ **Replies:** 2\ **Last updated:** [June 28, 2023, 2:52pm UTC](https://forums.unrealengine.com/t/blackboard-key-in-bt-service-variables-changes-on-project-start/462050 "2023-06-28T14:52:31Z")
I am using a behavior tree with multiple services. In one problematic service, I use a custom enum and two boolean values from the blackboard and assign them to blackboard key selectors. Having the editor open, I can se… --- ## [Polypix Studios Unreal Virtual Production & Art Services](https://forums.unrealengine.com/t/polypix-studios-unreal-virtual-production-art-services/747674)
**Author:** [@PolypixStudios](https://forums.unrealengine.com/u/PolypixStudios)\ **Replies:** 0\ **Last updated:** [January 12, 2023, 9:29am UTC](https://forums.unrealengine.com/t/polypix-studios-unreal-virtual-production-art-services/747674 "2023-01-12T09:29:17Z")
We are proud to announce Polypix Studios A premiere art service & virtual production company we create art assets for Unreal Engine Marketplace, Art Service for AA & AAA games & animation clean up services for Unreal Eng… --- ## [\[PAID\] Full-Cycle Game & Arch Viz Production Service & Gameplay Programming Service](https://forums.unrealengine.com/t/paid-full-cycle-game-arch-viz-production-service-gameplay-programming-service/511693)
**Author:** [@XilenceX](https://forums.unrealengine.com/u/XilenceX)\ **Replies:** 0\ **Last updated:** [April 1, 2022, 7:49pm UTC](https://forums.unrealengine.com/t/paid-full-cycle-game-arch-viz-production-service-gameplay-programming-service/511693 "2022-04-01T19:49:41Z")
Hey Everyone! We offer a Full-Cycle development service for games, Arch Viz, virtual museum exhibitions and other 3D software projects. I have 10 years of experience working as a developer and offer my services as a ga… --- ## [100% GPU usage in Editor (problem)](https://forums.unrealengine.com/t/100-gpu-usage-in-editor-problem/464930)
**Author:** [@anonymous\_user\_e77fa92d1](https://forums.unrealengine.com/u/anonymous_user_e77fa92d1)\ **Replies:** 9\ **Last updated:** [June 17, 2021, 7:00pm UTC](https://forums.unrealengine.com/t/100-gpu-usage-in-editor-problem/464930 "2021-06-17T19:00:31Z")
In Editor CPU is 5-10% and the GPU is 100% 50-60°C. In Game Mode, same. I’ve updated my GPU’s software and even I limited GPU resurces in AMD Radeon Software. Same problems. RAM: 8 GB CPU: i7 3770S GPU: AMD R7 200 (2G… --- ## [Do the free Epic Online Services include servers?](https://forums.unrealengine.com/t/do-the-free-epic-online-services-include-servers/465152)
**Author:** [@ImmortlMazeWalkr](https://forums.unrealengine.com/u/ImmortlMazeWalkr)\ **Replies:** 1\ **Last updated:** [May 16, 2020, 9:55am UTC](https://forums.unrealengine.com/t/do-the-free-epic-online-services-include-servers/465152 "2020-05-16T09:55:05Z")
Hello. I just saw the announcement for the launch of Epic Online Services and it discusses concurrent player count, etc. Does this mean Epic is providing the online servers to run your online matches as well? Or is t… --- ## [BT Services not activating](https://forums.unrealengine.com/t/bt-services-not-activating/474381)
**Author:** [@DrasticLemur](https://forums.unrealengine.com/u/DrasticLemur)\ **Replies:** 3\ **Last updated:** [November 17, 2020, 12:30am UTC](https://forums.unrealengine.com/t/bt-services-not-activating/474381 "2020-11-17T00:30:48Z")
Hello all, my services in my BT have stopped working. Yesterday they worked fine, but after I loaded up the engine today all my services refused to activate. The services that stopped firing both took a reference from th… --- ## [学生が友達と遊ぶためにゲーム制作をしたいのですが、そのためにUE4を使用することはできますか。](https://forums.unrealengine.com/t/ue4/464632)
**Author:** [@anonymous\_user\_309c6e75](https://forums.unrealengine.com/u/anonymous_user_309c6e75)\ **Replies:** 1\ **Last updated:** [May 4, 2020, 12:00pm UTC](https://forums.unrealengine.com/t/ue4/464632 "2020-05-04T12:00:11Z")
学生が友達と遊ぶためにゲーム制作をしたいのですが、そのためにUE4を使用することはできますか。 --- ## ["Get Blackboard Enum" Switch Failing](https://forums.unrealengine.com/t/get-blackboard-enum-switch-failing/463926)
**Author:** [@Fristomer](https://forums.unrealengine.com/u/Fristomer)\ **Replies:** 1\ **Last updated:** [April 18, 2020, 8:11am UTC](https://forums.unrealengine.com/t/get-blackboard-enum-switch-failing/463926 "2020-04-18T08:11:04Z")
Temporary Fix: I set a new variable in the NPC that has to be updated every time the Blackboard Key is updated. It did not solve the problem, but it seems to be working this way. I’d like to skip the extra steps, though,… --- ## [AIs sharing the same Behaviour Tree Influences each other](https://forums.unrealengine.com/t/ais-sharing-the-same-behaviour-tree-influences-each-other/456133)
**Author:** [@FishOmelette](https://forums.unrealengine.com/u/FishOmelette)\ **Replies:** 3\ **Last updated:** [November 16, 2019, 7:07am UTC](https://forums.unrealengine.com/t/ais-sharing-the-same-behaviour-tree-influences-each-other/456133 "2019-11-16T07:07:47Z")
Hi! Currently I have spawn 3 enemies of the same type and using the same AI and Behaviour Tree. I am trying to make only those that are on screen to attack while others off screen remain passive. This is my current code. … --- ## [Casting to Enemy in Service of Behaviour Tree](https://forums.unrealengine.com/t/casting-to-enemy-in-service-of-behaviour-tree/456131)
**Author:** [@FishOmelette](https://forums.unrealengine.com/u/FishOmelette)\ **Replies:** 1\ **Last updated:** [September 28, 2019, 1:24pm UTC](https://forums.unrealengine.com/t/casting-to-enemy-in-service-of-behaviour-tree/456131 "2019-09-28T13:24:10Z")
Hi, I’m having trouble with casting to an Enemy in the Service of its Behaviour Tree. I have other similar Services within the same Behaviour Tree but for some reason, this cast keeps failing although no error shows up. … --- ## [GetWorld()GetFirstPlayerController returns NULL?](https://forums.unrealengine.com/t/getworld-getfirstplayercontroller-returns-null/443662)
**Author:** [@Atijaf](https://forums.unrealengine.com/u/Atijaf)\ **Replies:** 0\ **Last updated:** [February 19, 2019, 4:48am UTC](https://forums.unrealengine.com/t/getworld-getfirstplayercontroller-returns-null/443662 "2019-02-19T04:48:39Z")
Hello. I’m working with AI and am using a Blackboard/Behavior Tree in UE4 to organize data, while my Services and Tasks are made in c++. I have that set up appropriately and is working the way I expect it too, but am r… --- ## [How to force UBTService tick by Interval = 1.f; with RandomDeviation = 0.1f; Like BP version tick by default?](https://forums.unrealengine.com/t/how-to-force-ubtservice-tick-by-interval-1-f-with-randomdeviation-0-1f-like-bp-version-tick-by-default/438933)
**Author:** [@NoCodeBugsFree](https://forums.unrealengine.com/u/NoCodeBugsFree)\ **Replies:** 0\ **Last updated:** [December 5, 2018, 6:34pm UTC](https://forums.unrealengine.com/t/how-to-force-ubtservice-tick-by-interval-1-f-with-randomdeviation-0-1f-like-bp-version-tick-by-default/438933 "2018-12-05T18:34:12Z")
How to force UBTService tick by Interval = 1.f; with RandomDeviation = 0.1f; Like BP version tick by default? P.S. And only by this interval. --- ## [How to implement BTService in C++](https://forums.unrealengine.com/t/how-to-implement-btservice-in-c/382032)
**Author:** [@Tengrichan](https://forums.unrealengine.com/u/Tengrichan)\ **Replies:** 3\ **Last updated:** [November 17, 2018, 4:57am UTC](https://forums.unrealengine.com/t/how-to-implement-btservice-in-c/382032 "2018-11-17T04:57:43Z")
Hi there! I am trying to convert my Behavior Tree tasks,services,etc. from BP into C++ for faster runtime and more customisation. However I can’t seem to figure out how to implement a Service in C++. As the events def… --- ## [AI service not working](https://forums.unrealengine.com/t/ai-service-not-working/431014)
**Author:** [@4Choped](https://forums.unrealengine.com/u/4Choped)\ **Replies:** 1\ **Last updated:** [August 6, 2018, 11:25am UTC](https://forums.unrealengine.com/t/ai-service-not-working/431014 "2018-08-06T11:25:51Z")
First off, I dont know if this is the appropiate Section. Sorry if this shouldnt be posted here. Anyways, I have a weird problem with AI. Let me explain. I made an enemy eith a very basic AI: -Youre far? He goes towar… --- ## [Behavior Tree Quick Start Guide](https://forums.unrealengine.com/t/behavior-tree-quick-start-guide/428010)
**Author:** [@anonymous\_user\_3374dc0c](https://forums.unrealengine.com/u/anonymous_user_3374dc0c)\ **Replies:** 2\ **Last updated:** [June 25, 2018, 3:28am UTC](https://forums.unrealengine.com/t/behavior-tree-quick-start-guide/428010 "2018-06-25T03:28:57Z")
So I was following the Behavior Tree Quick Start Guide and got stuck on step 14. I added the service AgroCheck to the Behavior Tree but when I clicked on it, the Default section didn’t appear in the Details panel. Can so… --- ## [How do I compare locations and see which one is closer to a certain point?](https://forums.unrealengine.com/t/how-do-i-compare-locations-and-see-which-one-is-closer-to-a-certain-point/425667)
**Author:** [@MobGoblin](https://forums.unrealengine.com/u/MobGoblin)\ **Replies:** 1\ **Last updated:** [May 22, 2018, 2:57pm UTC](https://forums.unrealengine.com/t/how-do-i-compare-locations-and-see-which-one-is-closer-to-a-certain-point/425667 "2018-05-22T14:57:47Z")
Trying to have multiple AI pick a cover location, and if two AI pick the same cover location, whichever is closest to that location should head towards that location and the other should find a different cover Location. … --- ## [BehaviorTree : Service skipped](https://forums.unrealengine.com/t/behaviortree-service-skipped/421852)
**Author:** [@Genova](https://forums.unrealengine.com/u/Genova)\ **Replies:** 0\ **Last updated:** [April 5, 2018, 2:15am UTC](https://forums.unrealengine.com/t/behaviortree-service-skipped/421852 "2018-04-05T02:15:15Z")
Hello, I’m having a funky behavior with the BehaviorTree. On some rare occasions, when it Aborts a branch of the tree, and go through that same branch just a little later, the services are skipped. I have something ra… --- ## [¿Puedes escojer la plataforma de los codigos de Fortnite de la version limitada?](https://forums.unrealengine.com/t/puedes-escojer-la-plataforma-de-los-codigos-de-fortnite-de-la-version-limitada/399860)
**Author:** [@Yale\_CHG](https://forums.unrealengine.com/u/Yale_CHG)\ **Replies:** 1\ **Last updated:** [July 8, 2017, 8:05pm UTC](https://forums.unrealengine.com/t/puedes-escojer-la-plataforma-de-los-codigos-de-fortnite-de-la-version-limitada/399860 "2017-07-08T20:05:56Z")
Quiero saber sobre la version limitada de Fortnite (la mas cara), ya que me interesa saber si es que compro la version para xbox one, los dos codigos extra (juegos basicos para dos amigos) esos codigos puedo escojer la p… --- ## [Change behavior tree service interval externally?](https://forums.unrealengine.com/t/change-behavior-tree-service-interval-externally/399215)
**Author:** [@VoidGoat](https://forums.unrealengine.com/u/VoidGoat)\ **Replies:** 0\ **Last updated:** [June 24, 2017, 6:33pm UTC](https://forums.unrealengine.com/t/change-behavior-tree-service-interval-externally/399215 "2017-06-24T18:33:25Z")
I am trying to have an enemy fire a weapon every few seconds when a certain condition is met in the blackboard, but different enemies need to have different intervals for how often they fire their weapon. Is there a way… --- ## [Regarding the two versions of overrideable Behavior Tree functions (AI vs not AI)](https://forums.unrealengine.com/t/regarding-the-two-versions-of-overrideable-behavior-tree-functions-ai-vs-not-ai/393903)
**Author:** [@anonymous\_user\_46bfc69d1](https://forums.unrealengine.com/u/anonymous_user_46bfc69d1)\ **Replies:** 0\ **Last updated:** [May 17, 2017, 11:18pm UTC](https://forums.unrealengine.com/t/regarding-the-two-versions-of-overrideable-behavior-tree-functions-ai-vs-not-ai/393903 "2017-05-17T23:18:00Z")
Services, Tasks and Decorators all have two versions of the functions available to override, the AI version and the non-AI version. Receive Tick and Receive Tick AI, for example. I’ve already read mieszko’s response to t… --- ## [, the windows installer service could not be accessed](https://forums.unrealengine.com/t/the-windows-installer-service-could-not-be-accessed/390762)
**Author:** [@Poonilization](https://forums.unrealengine.com/u/Poonilization)\ **Replies:** 1\ **Last updated:** [April 13, 2017, 11:42am UTC](https://forums.unrealengine.com/t/the-windows-installer-service-could-not-be-accessed/390762 "2017-04-13T11:42:53Z")
,Hey guys, can anyone help me with a weird installation problem im having. im trying to install the epic games launcher but getting this error code but my windows installer service appears to be running fine ive also … --- ## [Execute stops after bool = true, despite both branch executes being in use](https://forums.unrealengine.com/t/execute-stops-after-bool-true-despite-both-branch-executes-being-in-use/389545)
**Author:** [@anonymous\_user\_82f8995d](https://forums.unrealengine.com/u/anonymous_user_82f8995d)\ **Replies:** 7\ **Last updated:** [March 31, 2017, 3:48pm UTC](https://forums.unrealengine.com/t/execute-stops-after-bool-true-despite-both-branch-executes-being-in-use/389545 "2017-03-31T15:48:11Z")
Encountered a bug with Blueprint that I just can’t seem to find a solution for. My AI Service is checking to see if a bool blackboard key is set to true. It has tasks to perform for both True and False results. However,… --- ## [\[SOLVED\] Traces suddenly not visable From my AI](https://forums.unrealengine.com/t/solved-traces-suddenly-not-visable-from-my-ai/388358)
**Author:** [@Nofriendo](https://forums.unrealengine.com/u/Nofriendo)\ **Replies:** 0\ **Last updated:** [March 19, 2017, 5:07am UTC](https://forums.unrealengine.com/t/solved-traces-suddenly-not-visable-from-my-ai/388358 "2017-03-19T05:07:24Z")
I had been working on a two different ai types and suddenly I am unable to make the line traces visible for debug purposes on either AI type. They worked fine yesterday. But now I really don’t know what happened. I can… --- ## [Behavior Tree Wait task change time runtime?](https://forums.unrealengine.com/t/behavior-tree-wait-task-change-time-runtime/330449)
**Author:** [@anon72431819](https://forums.unrealengine.com/u/anon72431819)\ **Replies:** 2\ **Last updated:** [March 12, 2017, 9:12am UTC](https://forums.unrealengine.com/t/behavior-tree-wait-task-change-time-runtime/330449 "2017-03-12T09:12:21Z")
Hi I have a simple AI that I want to control the attack speed of an enemy unit. Basically giving him some extra time when he has a debuff. But I was wondering if it is possible to change the Wait Task “Wait Time” during … --- ## [Missing "aps-environment" Entitlement](https://forums.unrealengine.com/t/missing-aps-environment-entitlement/381396)
**Author:** [@anonymous\_user\_a395c40c](https://forums.unrealengine.com/u/anonymous_user_a395c40c)\ **Replies:** 4\ **Last updated:** [March 8, 2017, 7:19pm UTC](https://forums.unrealengine.com/t/missing-aps-environment-entitlement/381396 "2017-03-08T19:19:38Z")
I’ve been pushing to the App Store, for the most part everything works fine; except I get a nasty-gram from Apple saying that… “Your app appears to register with Apple Push Notification service, but the app signature’s … [Next page](https://forums.unrealengine.com/tag/service/5233.md?match_all_tags=true&page=1&tags%5B%5D=service)