Parameters are accessed with C4DAtom::GetParameter()/ C4DAtom::SetParameter(). See Parameter IDs.
Parameter: Convert to Redshift
LIGHT_CONVERT_TO_REDSHIFT
Parameter: Color
LIGHT_COLOR
Parameter: Use Temperature
LIGHT_TEMPERATURE
Parameter: Color Temperature
LIGHT_TEMPERATURE_MAIN
Parameter: Intensity
LIGHT_BRIGHTNESS
Parameter: Type
LIGHT_TYPE
Parameter: Shadow
LIGHT_SHADOWTYPE
Parameter: Visible Light
LIGHT_VLTYPE
Parameter: No Illumination
LIGHT_NOLIGHTRADIATION
Parameter: Show Illumination
LIGHT_SHOWILLUMINATION
Parameter: Ambient Illumination
LIGHT_DETAILS_AMBIENT
Parameter: Show Visible Light
LIGHT_SHOWVISIBLELIGHT
Parameter: Diffuse
LIGHT_DETAILS_DIFFUSE
Parameter: Show Clipping
LIGHT_SHOWCLIPPING
Parameter: Specular
LIGHT_DETAILS_SPECULAR
Parameter: Separate Pass
LIGHT_DETAILS_SEPARATEPASS
Parameter: GI Illumination
LIGHT_DETAILS_GI
Parameter: Export to Compositing
LIGHT_AFX
Parameter: Use Inner Value
LIGHT_DETAILS_INNERCONE
Parameter: Inner Angle
LIGHT_DETAILS_INNERANGLE
Parameter: Inner Radius
LIGHT_DETAILS_INNERRADIUS
Parameter: Outer Angle
LIGHT_DETAILS_OUTERANGLE
Parameter: Outer Radius
LIGHT_DETAILS_OUTERRADIUS
Parameter: Aspect Ratio
LIGHT_DETAILS_ASPECTRATIO
Parameter: Contrast
LIGHT_DETAILS_CONTRAST
Parameter: Shadow Caster
LIGHT_DETAILS_SHADOWCASTER
Parameter: Area Shape
LIGHT_AREADETAILS_SHAPE
Parameter: Object
LIGHT_AREADETAILS_OBJECT
Parameter: Size X
LIGHT_AREADETAILS_SIZEX
Parameter: Size Y
LIGHT_AREADETAILS_SIZEY
Parameter: Size Z
LIGHT_AREADETAILS_SIZEZ
Parameter: Falloff Angle
LIGHT_AREADETAILS_FALLOFF_ANGLE
Parameter: Infinite Angle
LIGHT_AREADETAILS_INFINITE_ANGLE
Parameter: Samples
LIGHT_AREADETAILS_SAMPLES
Parameter: Add Grain (Slow)
LIGHT_AREADETAILS_ADDGRAIN
Parameter: Show in Render
LIGHT_AREADETAILS_SHOWINRENDER
Parameter: Show as Solid in Viewport
LIGHT_AREADETAILS_SHOWASSOLIDINVIEWPORT
Parameter: Show in Specular
LIGHT_AREADETAILS_SHOWINSPECULAR
Parameter: Show in Reflection
LIGHT_AREADETAILS_SHOWINREFLECTION
Parameter: Visibility Multiplier
LIGHT_AREADETAILS_BRIGHTNESS
Parameter: Falloff
LIGHT_DETAILS_FALLOFF
Parameter: Falloff Inner Radius
LIGHT_DETAILS_INNERDISTANCE
Parameter: Falloff Radius / Decay
LIGHT_DETAILS_OUTERDISTANCE
Parameter: Colored Edge Falloff
LIGHT_DETAILS_COLFALLOFF
Parameter: Z Direction Only
LIGHT_DETAILS_ONLYZ
Parameter: Use Gradient
LIGHT_DETAILS_USEINNERCOLOR
Parameter: Color
LIGHT_DETAILS_GRADIENT
Parameter: Use Near Clipping
LIGHT_DETAILS_NEARCLIP
Parameter: Near Clipping from
LIGHT_DETAILS_NEARFROM
Parameter: Near Clipping to
LIGHT_DETAILS_NEARTO
Parameter: Use Far Clipping
LIGHT_DETAILS_FARCLIP
Parameter: Far Clipping from
LIGHT_DETAILS_FARFROM
Parameter: Far Clipping to
LIGHT_DETAILS_FARTO
Parameter: VL Use Falloff
LIGHT_VISIBILITY_USEFALLOFF
Parameter: VL Falloff
LIGHT_VISIBILITY_FALLOFF
Parameter: VL Use Edge Falloff
LIGHT_VISIBILITY_USEEDGEFALLOFF
Parameter: VL Edge Falloff
LIGHT_VISIBILITY_EDGEFALLOFF
Parameter: VL Colored Edge Falloff
LIGHT_VISIBILITY_COLOREDEDGEFALLOFF
Parameter: VL Inner Distance
LIGHT_VISIBILITY_INNERDISTANCE
Parameter: VL Outer Distance
LIGHT_VISIBILITY_OUTERDISTANCE
Parameter: VL Relative Scale
LIGHT_VISIBILITY_OUTERDISTANCEREL
Parameter: VL Sample Distance
LIGHT_VISIBILITY_SAMPLEDISTANCE
Parameter: VL Brightness
LIGHT_VISIBILITY_BRIGHTNESS
Parameter: VL Dust
LIGHT_VISIBILITY_DUST
Parameter: VL Dithering
LIGHT_VISIBILITY_DITHERING
Parameter: VL Use Gradient
LIGHT_VISIBILITY_CUSTOMCOLORS
Parameter: VL Color
LIGHT_VISIBILITY_GRADIENT
Parameter: VL Additive
LIGHT_VISIBILITY_ADDITIVE
Parameter: VL Adapt Brightness
LIGHT_VISIBILITY_ADAPTBRIGHTNESS
Parameter: Shadow
LIGHT_SHADOWTYPE_VIRTUAL
Parameter: Shadow Density
LIGHT_SHADOW_DENSITY
Parameter: Shadow Color
LIGHT_SHADOW_COLOR
Parameter: Shadow Transparency
LIGHT_SHADOW_TRANSPARENCY
Parameter: Shadow Clipping Influence
LIGHT_SHADOW_CLIPINFLUENCE
Parameter: Shadow Map
LIGHT_SHADOW_MAPSIZE
Parameter: Shadow Map Size X
LIGHT_SHADOW_MAPSIZEX
Parameter: Shadow Map Size Y
LIGHT_SHADOW_MAPSIZEY
Parameter: Shadow Sample Radius
LIGHT_SHADOW_SAMPLERADIUS
Parameter: Sampling Radius Boost
LIGHT_SHADOW_SAMPLEBOOST
Parameter: Shadow Absolute Bias
LIGHT_SHADOW_ABSOLUTE
Parameter: Shadow Bias (Rel)
LIGHT_SHADOW_RELATIVEBIAS
Parameter: Shadow Bias (Abs)
LIGHT_SHADOW_ABSOLUTEBIAS
Parameter: Shadow Parallel Width
LIGHT_SHADOW_PARALLELWIDTH
Parameter: Outline Shadow
LIGHT_SHADOW_OUTLINE
Parameter: High Quality
LIGHT_SHADOW_HIGHQUALITY
Parameter: Shadow Cone
LIGHT_SHADOW_USECONE
Parameter: Shadow Cone Angle
LIGHT_SHADOW_CONEANGLE
Parameter: Shadow Soft Cone
LIGHT_SHADOW_SOFTCONE
Parameter: Area Shadow Width
LIGHT_SHADOW_AREAWIDTH
Parameter: Accuracy
LIGHT_SHADOW_ACCURACY
Parameter: Minimum Samples
LIGHT_SHADOW_MINSAMPLES
Parameter: Maximum Samples
LIGHT_SHADOW_MAXSAMPLES
Parameter: Photometric Intensity
LIGHT_PHOTOMETRIC_UNITS
Parameter: Intensity
LIGHT_PHOTOMETRIC_INTENSITY
Parameter: Units
LIGHT_PHOTOMETRIC_UNIT
Parameter: Photometric Data
LIGHT_PHOTOMETRIC_DATA
Parameter: Filename
LIGHT_PHOTOMETRIC_FILE
Parameter: Photometric Size
LIGHT_PHOTOMETRIC_SIZE
Parameter: Surface Caustics
LIGHT_CAUSTIC_ENABLE
Parameter: Surface Energy
LIGHT_CAUSTIC_ENERGY
Parameter: Surface Photons
LIGHT_CAUSTIC_PHOTONS
Parameter: Volume Caustics
LIGHT_VOLCAUSTIC_ENABLE
Parameter: Volume Energy
LIGHT_VOLCAUSTIC_ENERGY
Parameter: Volume Photons
LIGHT_VOLCAUSTIC_PHOTONS
Parameter: Caustics Falloff
LIGHT_VOLCAUSTIC_FALLOFF
Parameter: Caustics Inner Distance
LIGHT_VOLCAUSTIC_INNERDISTANCE
Parameter: Caustics Outer Distance
LIGHT_VOLCAUSTIC_OUTERDISTANCE
Parameter: Noise
LIGHT_NOISETYPE
Parameter: Noise Type
LIGHT_NOISE_TYPE
Parameter: Noise Octaves
LIGHT_NOISE_OCTAVES
Parameter: Noise Velocity
LIGHT_NOISE_VELOCITY
Parameter: Noise Brightness
LIGHT_NOISE_BRIGHTNESS
Parameter: Noise Contrast
LIGHT_NOISE_CONTRAST
Parameter: Noise Local
LIGHT_NOISE_LOCAL
Parameter: Noise Visibility Scale
LIGHT_NOISE_SCALE
Parameter: Noise Illumination Scale
LIGHT_NOISE_SCALEILLUMINATION
Parameter: Noise Wind
LIGHT_NOISE_WIND
Parameter: Noise Wind Velocity
LIGHT_NOISE_WINDVELOCITY
Parameter: FX Glow
LIGHT_LENSEFFECTS_LENSGLOW
Parameter: FX Glow Brightness
LIGHT_LENSEFFECTS_GLOWSTRENGTH
Parameter: FX Glow Aspect Ratio
LIGHT_LENSEFFECTS_GLOWSV
Parameter: FX Glow Settings
LIGHT_LENSEFFECTS_GLOW
Parameter: FX Reflexes
LIGHT_LENSEFFECTS_LENSREFL
Parameter: FX Reflection Brightness
LIGHT_LENSEFFECTS_REFLSTRENGTH
Parameter: FX Reflection Aspect Ratio
LIGHT_LENSEFFECTS_REFLSV
Parameter: Edit...
LIGHT_LENSEFFECTS_REFL_EDIT
Parameter: FX Scale
LIGHT_LENSEFFECTS_SCALE
Parameter: FX Rotation
LIGHT_LENSEFFECTS_ROTATION
Parameter: FX Reference Size
LIGHT_LENSEFFECTS_REFERENCE
Parameter: FX Use Light Parameters
LIGHT_LENSEFFECTS_USELIGHTPARAMETER
Parameter: FX Fade if Near Border
LIGHT_LENSEFFECTS_FADENEARBORDER
Parameter: FX Fade if Behind Object
LIGHT_LENSEFFECTS_FADEBEHINDOBJECT
Parameter: FX Fade if Approaching Object
LIGHT_LENSEFFECTS_FADEAPPROACHINGOBJECT
Parameter: FX Glow Distance Scale
LIGHT_LENSEFFECTS_SCALEGLOW
Parameter: FX Reflex Distance Scale
LIGHT_LENSEFFECTS_SCALEREFLEXES
Parameter: Mode
LIGHT_EXCLUSION_MODE
Parameter: Objects
LIGHT_EXCLUSION_LIST
Parameter: PyroCluster Illumination
LIGHT_PYROCLUSTER_ILLUMINATION
Parameter: PyroCluster Shadow Casting
LIGHT_PYROCLUSTER_SHADOW