Is there any way to write translucency material depth into depth buffer?

Development Rendering
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Hello!
I created a translucency material. Now I want to get depth of other translucency material mesh, but if alpha == 0, I can’t get any information in it, including normal, depth and so on by using ‘scene texture’ node.
I want to use it in niagara sprite. I managed to use custom depth in mesh component, but I don’t know how to implement it in niagara. Also, if there are many sprites using the same material, it will be difficult to tell the depth from each other.

Any ideas are welcome.
Thanks!

2

There is a post process material solution which allows you to use the scene texture. I am not sure which value it is out of the inputs but it should return translucency. Here is the documentation if you want a closer look: Post Process Materials | Unreal Engine 4.27 Documentation