DescriptionSets or returns an
intthat represents the gutter width for this section. The gutter adds space to the margin. Gutters are used when a document needs additional space to allow for binding. One twip = (1/20 pt) or (1/1440 in)
Gutter width may not be smaller than 0" (0 twips) or larger than 22" (31680 twips). Values beyond these will be automatically adjusted.
MS Word equivalent: File menu > Page Setup... > Margins tab > Gutter: -- (Make sure Apply to: This section is selected)