Parameters are accessed with C4DAtom::GetParameter()/ C4DAtom::SetParameter(). See Parameter IDs.
Parameter: Capture
FACECAPTURE_FILENAMEParameter: Face Mesh
FACECAPTURE_FACEMESH_LINKParameter: Add Mesh
FACECAPTURE_FACEMESH_ADDParameter: Make Quad Mesh
FACECAPTURE_FACEMESH_QUADMESHParameter: Set Timeline to FrameCount
FACECAPTURE_SETTIMELINEParameter: Set Neutral Frame
FACECAPTURE_SETNEUTRALFRAMEParameter: Clear Neutral Frame
FACECAPTURE_CLEARNEUTRALFRAMEParameter: Play Sound
FACECAPTURE_PLAYSOUNDParameter: Add Eyes
FACECAPTURE_ADDEYESParameter: Use Single Frame Texture
FACECAPTURE_USESINGLETEXTUREParameter: Specific Frame Texture
FACECAPTURE_FRAMETEXTUREParameter: Set Default UVs
FACECAPTURE_SETDEFAULTUVSParameter: Start Frame
FACECAPTURE_STARTFRAMEParameter: Length
FACECAPTURE_RANGELENGTHParameter: Rotation
FACECAPTURE_ROTATIONParameter: Offset
FACECAPTURE_OFFSETParameter: Camera
FACECAPTURE_CAMERA