Parameters are accessed with C4DAtom::GetParameter()/ C4DAtom::SetParameter(). See Parameter IDs.
Parameter: Color 1
SLA_NOISE_COLOR1
Parameter: Color 2
SLA_NOISE_COLOR2
Parameter: Seed
SLA_NOISE_SEED
Parameter: Noise
SLA_NOISE_NOISE
Parameter: Octaves
SLA_NOISE_OCTAVES
Parameter: Space
SLA_NOISE_SPACE
Parameter: Global Scale
SLA_NOISE_GLOBAL_SCALE
Parameter: Relative Scale
SLA_NOISE_SCALE
Parameter: Animation Speed
SLA_NOISE_ANI_SPEED
Parameter: Loop Period
SLA_NOISE_TIMEPERIOD
Parameter: Detail Attenuation
SLA_NOISE_DETAIL_ATT
Parameter: Delta
SLA_NOISE_DELTA
Parameter: Movement
SLA_NOISE_MOVEMENT
Parameter: Speed
SLA_NOISE_SPEED
Parameter: Absolute
SLA_NOISE_ABSOLUTE
Parameter: Cycles
SLA_NOISE_CYCLES
Parameter: Low Clip
SLA_NOISE_LOW_CLIP
Parameter: High Clip
SLA_NOISE_HIGH_CLIP
Parameter: Brightness
SLA_NOISE_BRIGHTNESS
Parameter: Contrast
SLA_NOISE_CONTRAST
Parameter: Use as Environment
SLA_NOISE_USE_AS_ENV
Parameter: Project Environment
SLA_NOISE_PROJECT_ENV
Parameter: Compatibility
SLA_NOISE_COMPATIBILITY