[#CTxMemPool-StartBlockBuilding] = xref:CTxMemPool.adoc[CTxMemPool]::StartBlockBuilding :relfileprefix: ../ :mrdocs: Begin building a block by creating the block builder from the transaction graph. == Synopsis Declared in `<txmempool.h>` [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- [[requires_capability(0x7f95135d3ec8), requires_capability(0x7f9501b132a8), requires_capability(0x7f950ec79498), requires_capability(0x7f9525ea91e8), requires_capability(0x7f9515098928), requires_capability(0x7f950826cbc8), requires_capability(0x7f94f85702d8), requires_capability(0x7f9513c5a4c8)]] void StartBlockBuilding() const; ---- [.small]#Created with https://www.mrdocs.com[MrDocs]#