This product can help users generate a facial rig based on FACS from metahuman DNA files. Firstly, use the Dna2BlendShape command-line tool to extract Facs from the DNA file, and then import these Facs using plugins to establish a connection between the controller panel and shapekey. In just a few minutes, you can obtain a face binding based on Facs in Blender.

system requirements: windows

Note: the dna2blendershape command line tool is only worked with the dna generated from UE<=UE5.5, it not support UE5.6

MetahumanBSriger is not suitable for constructing rig for blendshape exported from UE5.6 DNA

video tutorial is as following:
[1] https://www.youtube.com/watch?v=k29Hbd_Vr5k