[#BaseIndex-CustomOptions]
= xref:BaseIndex.adoc[BaseIndex]::CustomOptions
:relfileprefix: ../
:mrdocs:

Return custom notification options for index.

== Synopsis

Declared in `<index/base.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
[[nodiscard]]
virtual
xref:interfaces/Chain.adoc[interfaces::Chain::NotifyOptions]
CustomOptions();
----

== Return Value

The notification options requested by this index.

[NOTE]
====
The return value https://en.cppreference.com/cpp/language/attributes/nodiscard[should not be discarded^].
====

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