Parameters are accessed with C4DAtom::GetParameter()/ C4DAtom::SetParameter(). See Parameter IDs.
Parameter: Strength
ID_DELTAMUSH_DEFORMER_WEIGHT
Parameter: Iterations
ID_DELTAMUSH_DEFORMER_SMOOTH_ITERATION
Parameter: Smooth View
ID_DELTAMUSH_DEFORMER_SMOOTHVIEW
Parameter: Tangent Mode
ID_DELTAMUSH_DEFORMER_TANGENT_TYPE
Parameter: Smooth Type
ID_DELTAMUSH_DEFORMER_SMOOTHTYPE
Parameter: Pin Border Points
ID_DELTAMUSH_DEFORMER_PIN_CORNER
Parameter: Initialize
ID_DELTAMUSH_DEFORMER_INITIAL
Parameter: Release
ID_DELTAMUSH_DEFORMER_RESTORE
Parameter: Mode
ID_DELTAMUSH_DEFORMER_INEXCLUDE_MODE
Parameter: Tags
ID_DELTAMUSH_DEFORMER_INEXCLUDE_LIST