[#GenTxid-IsWtxid]
= xref:GenTxid.adoc[GenTxid]::IsWtxid
:relfileprefix: ../
:mrdocs:

Returns true when the identifier holds a wtxid&period;

== Synopsis

Declared in `&lt;primitives&sol;transaction&lowbar;identifier&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
bool
IsWtxid() const;
----

== Return Value

True if a Wtxid is stored, false for a Txid&period;


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