# Knowledge Base: Experimental: Sample Code for Implementing Instant Replays

**URL:** <https://forums.unrealengine.com/t/knowledge-base-experimental-sample-code-for-implementing-instant-replays/264946>\
**Category:** C++\
**Tags:** unreal-engine\
**Created:** [December 8, 2021, 10:16pm UTC](https://forums.unrealengine.com/t/knowledge-base-experimental-sample-code-for-implementing-instant-replays/264946 "2021-12-08T22:16:52Z")\
**Posts on this page:** 8\
**Page:** 1

<div class="post-metadata">

**Author:** ![RudyTriplett](https://d1ap1mz92jnks1.cloudfront.net/user_avatar/forums.unrealengine.com/rudytriplett/32/1197584_2.png) [@RudyTriplett](https://forums.unrealengine.com/u/RudyTriplett)\
**Post date:** [December 8, 2021, 10:16pm UTC](https://forums.unrealengine.com/t/knowledge-base-experimental-sample-code-for-implementing-instant-replays/264946/1 "2021-12-08T22:16:52Z")

</div>

Article written by Alex K.  
The Unreal Engine provides a Replay System for recording and playing back gameplay, offering a selection of streamers for recording and reading this data in a variety of ways. One of the strea…  
  
[https://dev.epicgames.com/community/learning/knowledge-base/WjpR/unreal-engine-experimental-sample-code-for-implementing-instant-replays](https://dev.epicgames.com/community/learning/knowledge-base/WjpR/unreal-engine-experimental-sample-code-for-implementing-instant-replays)

---

<div class="post-metadata">

**Author:** ![Sun\_AV](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@Sun\_AV](https://forums.unrealengine.com/u/Sun_AV)\
**Post date:** [January 12, 2022, 8:03am UTC](https://forums.unrealengine.com/t/knowledge-base-experimental-sample-code-for-implementing-instant-replays/264946/2 "2022-01-12T08:03:12Z")

</div>

Can’t find the Paragon UKillcamPlayback manager class that is supposed to be attached? Got removed?

---

<div class="post-metadata">

**Author:** ![Joe\_Radak](https://d1ap1mz92jnks1.cloudfront.net/user_avatar/forums.unrealengine.com/joe_radak/32/1197589_2.png) [@Joe\_Radak](https://forums.unrealengine.com/u/Joe_Radak)\
**Post date:** [February 3, 2022, 9:02pm UTC](https://forums.unrealengine.com/t/knowledge-base-experimental-sample-code-for-implementing-instant-replays/264946/3 "2022-02-03T21:02:20Z")

</div>

This has now been attached.

---

<div class="post-metadata">

**Author:** ![HappyBroccoli](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@HappyBroccoli](https://forums.unrealengine.com/u/HappyBroccoli)\
**Post date:** [July 11, 2022, 1:26am UTC](https://forums.unrealengine.com/t/knowledge-base-experimental-sample-code-for-implementing-instant-replays/264946/4 "2022-07-11T01:26:27Z")

</div>

I can’t run this code because I can’t find killCamWorld. where can i get it?

---

<div class="post-metadata">

**Author:** ![OpressedByMods1](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@OpressedByMods1](https://forums.unrealengine.com/u/OpressedByMods1)\
**Post date:** [July 27, 2022, 12:18am UTC](https://forums.unrealengine.com/t/knowledge-base-experimental-sample-code-for-implementing-instant-replays/264946/5 "2022-07-27T00:18:12Z")

</div>

Hey, might be dumb question but can’t get this off my head.  
What would be the license for that code ?

I’m guessing lot of people will base their code on that and that could put them under potential liability.

---

<div class="post-metadata">

**Author:** ![mando.kim](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@mando.kim](https://forums.unrealengine.com/u/mando.kim)\
**Post date:** [October 26, 2022, 3:03pm UTC](https://forums.unrealengine.com/t/knowledge-base-experimental-sample-code-for-implementing-instant-replays/264946/6 "2022-10-26T15:03:05Z")

</div>

Hi, I tried to implement an instant replay system using your sample.  
And I got a “xxx.StaticMeshComponent0 was added to the wrong world’s scene (due to PIE). The callstack should tell you why” warnning.  
Could you please give some hints?

---

<div class="post-metadata">

**Author:** ![DirectXManiac](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@DirectXManiac](https://forums.unrealengine.com/u/DirectXManiac)\
**Post date:** [March 19, 2024, 1:41pm UTC](https://forums.unrealengine.com/t/knowledge-base-experimental-sample-code-for-implementing-instant-replays/264946/7 "2024-03-19T13:41:26Z")

</div>

Hello! Sample code is not available, can anyone share UKillcamPlayback class from Paragon?

---

<div class="post-metadata">

**Author:** ![muchcharles](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@muchcharles](https://forums.unrealengine.com/u/muchcharles)\
**Post date:** [October 23, 2025, 9:06pm UTC](https://forums.unrealengine.com/t/knowledge-base-experimental-sample-code-for-implementing-instant-replays/264946/8 "2025-10-23T21:06:11Z")

</div>

Also noticed the zip file link no longer working.