# Proximity-based triggering **URL:** \ **Category:** UI\ **Tags:** hud, trigger, unreal-engine, Blueprint, question\ **Created:** [March 7, 2015, 6:11pm UTC](https://forums.unrealengine.com/t/proximity-based-triggering/309823 "2015-03-07T18:11:56Z")\ **Posts on this page:** 1\ **Showing post:** 2
**Author:** ![anonymous\_user\_6c2a996b](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@anonymous\_user\_6c2a996b](https://forums.unrealengine.com/u/anonymous_user_6c2a996b)\ **Post date:** [March 7, 2015, 8:33pm UTC](https://forums.unrealengine.com/t/proximity-based-triggering/309823/2 "2015-03-07T20:33:15Z")
There is a “quickshot” tutorial that explains exactly how to do this (but in your case, it would be opening a door instead of turning on a light). The only difference would be instead of changing the light’s parameters, you would be telling the door’s animation to play. > **[A new, community-hosted Unreal Engine Wiki](https://forums.unrealengine.com/t/a-new-community-hosted-unreal-engine-wiki/141494)** > > After over a year in maintenance mode, the official Unreal Engine Wiki is now permanently offline. These resources now live on a new community-run Unreal Engine Community Wiki — https://unrealcommunity.wiki/! You will be able to find content from... More quickshots like this can be found here: > **[A new, community-hosted Unreal Engine Wiki](https://forums.unrealengine.com/t/a-new-community-hosted-unreal-engine-wiki/141494)** > > After over a year in maintenance mode, the official Unreal Engine Wiki is now permanently offline. These resources now live on a new community-run Unreal Engine Community Wiki — https://unrealcommunity.wiki/! You will be able to find content from... --- _[View the full topic](https://forums.unrealengine.com/t/proximity-based-triggering/309823)._