[#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(0x7ff37b4217c8), requires_capability(0x7ff376fd9178), requires_capability(0x7ff38def8398), requires_capability(0x7ff3640f93a8), requires_capability(0x7ff3920f9698), requires_capability(0x7ff37f5cb7b8), requires_capability(0x7ff37d012a38), requires_capability(0x7ff374c16248)]]
void
StartBlockBuilding() const;
----


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