# Get index of collided instanced static mesh

**URL:** <https://forums.unrealengine.com/t/get-index-of-collided-instanced-static-mesh/466536>\
**Category:** World Creation\
**Tags:** unreal-engine, Instanced-Mesh, Physics, Collision, question\
**Created:** [June 10, 2020, 3:37pm UTC](https://forums.unrealengine.com/t/get-index-of-collided-instanced-static-mesh/466536 "2020-06-10T15:37:20Z")\
**Posts on this page:** 1\
**Showing post:** 11

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**Author:** ![Everynone](https://d1ap1mz92jnks1.cloudfront.net/user_avatar/forums.unrealengine.com/everynone/32/1135017_2.png) [@Everynone](https://forums.unrealengine.com/u/Everynone)\
**Post date:** [June 10, 2020, 4:59pm UTC](https://forums.unrealengine.com/t/get-index-of-collided-instanced-static-mesh/466536/11 "2020-06-10T16:59:37Z")

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> The problem is that my wall should  
> decide what to do with a brick which  
> was hit by a gun projectile.
> 
> But it’s like I said, the projectile  
> knows the correct index

What exactly is stopping you from propagating the data from the projectile to the wall actor?

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