Parameters are accessed with C4DAtom::GetParameter()/ C4DAtom::SetParameter(). See Parameter IDs.
Parameter: Depth Of Field
VP_XMB_DOFParameter: Motion Blur
VP_XMB_MOTIONBLURParameter: Motion Subdivisions
VP_XMB_MOTION_SAMPLES_MOTIONParameter: Deformation Subdivisions
VP_XMB_MOTION_SAMPLES_DEFORMATIONParameter: Hair Subdivisions
VP_XMB_MOTION_SAMPLES_HAIRParameter: Sampler
VP_XMB_RAYTRACING_SAMPLERParameter: Progressive Mode
VP_XMB_RAYTRACING_INTERACTIVE_MODEParameter: Progressive Pass Count
VP_XMB_RAYTRACING_INTERACTIVE_PASSESParameter: Progressive Time Limit (minutes)
VP_XMB_RAYTRACING_INTERACTIVE_TIMEParameter: Progressive Pass Count Limit
VP_XMB_RAYTRACING_INTERACTIVE_NETParameter: Sampling Quality
VP_XMB_RAYTRACING_QUALITYParameter: Sampling Subdivisions
VP_XMB_RAYTRACING_SAMPLESParameter: Shading Subdivisions (Min)
VP_XMB_RAYTRACING_SAMPLES_SHADING_MINParameter: Shading Subdivisions (Max)
VP_XMB_RAYTRACING_SAMPLES_SHADING_MAXParameter: Shading Error Threshold
VP_XMB_RAYTRACING_SAMPLES_SHADING_ERRORParameter: Shading Transparency Check
VP_XMB_RAYTRACING_SAMPLES_SHADING_TRANSParameter: HDR Threshold
VP_XMB_RAYTRACING_SAMPLES_HDR_THRESHOLDParameter: Blurriness Subdivision (Max)
VP_XMB_RAYTRACING_SAMPLES_BLURRY_SHADINGParameter: Shadow Subdivision (Max)
VP_XMB_RAYTRACING_SAMPLES_BLURRY_LIGHTParameter: Ambient Occlusion Subdivision (Max)
VP_XMB_RAYTRACING_SAMPLES_BLURRY_AOParameter: Subsurface Scattering Subdivision (Max)
VP_XMB_RAYTRACING_SAMPLES_BLURRY_SSSParameter: Indirect Illumination
VP_XMB_RAYTRACING_SAMPLES_GI_ENABLEDParameter: Diffuse Depth
VP_XMB_RAYTRACING_SAMPLES_GI_DEPTHParameter: Sampling Subdivisions
VP_XMB_RAYTRACING_SAMPLES_GI_SAMPLESParameter: Raytracing Engine
VP_XMB_RAYTRACING_ADVANCED_ENGINEParameter: Quick Preview
VP_XMB_RAYTRACING_ADVANCED_PREVIEWParameter: Quick Preview Start Resolution
VP_XMB_RAYTRACING_ADVANCED_PREVIEW_MINParameter: Quick Preview End Resolution
VP_XMB_RAYTRACING_ADVANCED_PREVIEW_MAXParameter: Debug Information Level
VP_XMB_RAYTRACING_ADVANCED_STATSParameter: DEBUG - No Shading
VP_XMB_RAYTRACING_DEBUG_NO_SHADEParameter: DEBUG - Light Sources
VP_XMB_RAYTRACING_DEBUG_LUXParameter: DEBUG - Lock Time
VP_XMB_RAYTRACING_DEBUG_LOCK_TIMEParameter: DEBUG - Time Ratio
VP_XMB_RAYTRACING_DEBUG_TIMEParameter: DEBUG - Sampling Mode
VP_XMB_RAYTRACING_DEBUG_SAMPLING