Id Assistant is a plug-in software. According to the query information, it is a multifunctional plug-in software dedicated to InDesign, which is developed for Chinese typesetting business. Its functions mainly include music composition, conversion from complexity to simplification, automatic labeling of Chinese Pinyin, splitting of Chinese strokes, auxiliary editing of mathematical formulas, Uyghur composition, automatic extraction of directory index entries, automatic numbering of footnotes, automatic phonetic notation and so on.