# Help in missile target on colligion box

**URL:** <https://forums.unrealengine.com/t/help-in-missile-target-on-colligion-box/418519>\
**Category:** World Creation\
**Tags:** sphere-collision, overlap, box, unreal-engine, Collision, question\
**Created:** [February 27, 2018, 10:28pm UTC](https://forums.unrealengine.com/t/help-in-missile-target-on-colligion-box/418519 "2018-02-27T22:28:16Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Cmtrinda](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@Cmtrinda](https://forums.unrealengine.com/u/Cmtrinda)\
**Post date:** [February 27, 2018, 10:28pm UTC](https://forums.unrealengine.com/t/help-in-missile-target-on-colligion-box/418519/1 "2018-02-27T22:28:16Z")

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Collision box doesn’t detect overlapping actors and does not generate overlapping events( gaenerate overlapping events is turned on,collision preset to overlap all)

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**Author:** ![Nebula\_Games\_Inc](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@Nebula\_Games\_Inc](https://forums.unrealengine.com/u/Nebula_Games_Inc)\
**Post date:** [February 27, 2018, 11:20pm UTC](https://forums.unrealengine.com/t/help-in-missile-target-on-colligion-box/418519/2 "2018-02-27T23:20:52Z")

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Check and make sure the collision is enabled on both the “collision box” and the actor itself. Make sure the actor you want to overlap is also the correct class to receive the overlap events. If one is set to block and the other overlap all nothing will happen.