[#BlockFilterIndex-CustomAppend]
= xref:BlockFilterIndex.adoc[BlockFilterIndex]::CustomAppend
:relfileprefix: ../
:mrdocs:

Compute and store the filter for a newly connected block.

== Synopsis

Declared in `<index/blockfilterindex.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
virtual
bool
CustomAppend(xref:interfaces/BlockInfo.adoc[interfaces::BlockInfo] const& block) override;
----

== Return Value

True on success.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *block*
| Information about the block being appended.
|===


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