Alpha Attribute is missing when save as fbx file

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I create a geometry with some random Alpha attribute and Cd attribute in vertex class. Save out as fbx, and I find the Alpha attribute is missing somehow. So I re-import the fbx file to Houdini, and the strange thing is one more attribute be created called “Alpha2”.



By the way, after some test I find It's only happen when Alpha and Cd attribute be created in vertex class, and output as fbx file.
Edited by EricSheng - Nov. 6, 2018 07:20:02

Attachments:
HoudiniReport_01_M.png (312.5 KB)
HoudiniReport_02_M.png (320.0 KB)
AlphaAttribMissing.hip (111.8 KB)

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