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

Get a range of filters between two heights on a chain.

== Synopsis

Declared in `<index/blockfilterindex.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
bool
LookupFilterRange(
    int start_height,
    xref:CBlockIndex.adoc[CBlockIndex] const* stop_index,
    std::vector<BlockFilter>& filters_out) const;
----

== Return Value

True if all filters in the range were found.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *start_height*
| Height of the first block in the range.
| *stop_index*
| Block index entry of the last block in the range.
| *filters_out*
| Set to the filters found in the range.
|===


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