[#TxoSpenderIndex-CustomOptions] = xref:TxoSpenderIndex.adoc[TxoSpenderIndex]::CustomOptions :relfileprefix: ../ :mrdocs: Request notifications needed to track spent outputs. == Synopsis Declared in `<index/txospenderindex.h>` [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- virtual xref:interfaces/Chain.adoc[interfaces::Chain::NotifyOptions] CustomOptions() override; ---- == Return Value The notification options requested by this index. [.small]#Created with https://www.mrdocs.com[MrDocs]#