Parameters are accessed with C4DAtom::GetParameter()/ C4DAtom::SetParameter(). See page_maxonapi_getting_started_foundations_cinema_parameters.
Parameter: Capture
FACECAPTURE_FILENAME
Parameter: Face Mesh
FACECAPTURE_FACEMESH_LINK
Parameter: Add Mesh
FACECAPTURE_FACEMESH_ADD
Parameter: Make Quad Mesh
FACECAPTURE_FACEMESH_QUADMESH
Parameter: Set Timeline to FrameCount
FACECAPTURE_SETTIMELINE
Parameter: Set Neutral Frame
FACECAPTURE_SETNEUTRALFRAME
Parameter: Clear Neutral Frame
FACECAPTURE_CLEARNEUTRALFRAME
Parameter: Play Sound
FACECAPTURE_PLAYSOUND
Parameter: Add Eyes
FACECAPTURE_ADDEYES
Parameter: Use Single Frame Texture
FACECAPTURE_USESINGLETEXTURE
Parameter: Specific Frame Texture
FACECAPTURE_FRAMETEXTURE
Parameter: Set Default UVs
FACECAPTURE_SETDEFAULTUVS
Parameter: Start Frame
FACECAPTURE_STARTFRAME
Parameter: Length
FACECAPTURE_RANGELENGTH
Parameter: Rotation
FACECAPTURE_ROTATION
Parameter: Offset
FACECAPTURE_OFFSET
Parameter: Camera
FACECAPTURE_CAMERA