occurrences (OccurrenceList) : Occurrences of the parts to merge mergeNoMaterials (Boolean) [optional] : If true, merge all parts with no active material together, else do not merge them mergeHiddenPartsMode (MergeHiddenPartsMode) [optional] : Hidden parts handling mode, Destroy them, make visible or merge separately
Return value
mergedOccurrences (OccurrenceList) : Resulting occurrences of the merged parts