Virtual Textures/UDIMs as Material Parameters for Unreal

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So it's possible to create a material instance, change its parameters, and assign Houdini-generated textures as explainedhere [www.sidefx.com]. And it works fine with a single texture. However, as soon as I try to use _%(UDIM)d in the material base color texture path, it no longer generates textures in Unreal. If I import UDIM textures manually into Unreal, it creates a long Virtual Texture containing all UDIMs with multiple source files. Is there a way to do it with the Houdini Engine atm? Any workarounds you know about? Appreciate any suggestions!
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