def call(self, auth, slice_id_or_name, slice_fields):
def call(self, auth, slice_id_or_name, slice_fields):
# split provided fields
[native,related,tags,rejected] = Row.split_fields(slice_fields,[Slice.fields,Slice.related_fields,Slice.tags])
# split provided fields
[native,related,tags,rejected] = Row.split_fields(slice_fields,[Slice.fields,Slice.related_fields,Slice.tags])