[#Chainstate-TryAddBlockIndexCandidate]
= xref:Chainstate.adoc[Chainstate]::TryAddBlockIndexCandidate
:relfileprefix: ../
:mrdocs:

Add a block to the candidate set if it has as much work as the current tip.

== Synopsis

Declared in `<validation.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
[[requires_capability(0x7f2e1ba84c68), requires_capability(0x7f2e145648b8), requires_capability(0x7f2e373bda68), requires_capability(0x7f2e36e346b8)]]
void
TryAddBlockIndexCandidate(xref:CBlockIndex.adoc[CBlockIndex]* pindex);
----

== Parameters

[cols="1,4"]
|===
| Name| Description
| *pindex*
| Block index entry to consider as a candidate.
|===


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