Set Niagara custom primitive data

Development Asset Creation
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Hi, I’m on Unreal 5.3.2 and I’m using a Niagara system with a mesh renderer. There is a way to use custom primitive data in the Niagara meshes? Can’t find in the binding list of the mesh renderer.

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I can set custom primitive data in a Niagara Particle System Component inside an actor, but it’s not used.

Thank you!