> ## Documentation Index > Fetch the complete documentation index at: https://developers.myhero.so/llms.txt > Use this file to discover all available pages before exploring further. # Build document map > WHEN TO USE: You need a structural overview (table of contents, section list, defined terms) without reading full content. Build a structural map of a… `build_document_map` WHEN TO USE: You need a structural overview (table of contents, section list, defined terms) without reading full content. Build a structural map of a document: all clause sections (numbering, title, depth, content) and defined terms. ## Parameters