Switch projectile homing target after collision

Hello, I have a projectile I have set to home in on a target and it works fine.

I wanted to make it switch its target on hit but what I did does not seem to work.

Any help please?

I found how to on this link

I found how to on this link https://answers.unrealengine.com/questions/84836/projectile-movement-disables-velocity-changes-afte.html