[#PartiallySignedTransaction-GetUniqueID]
= xref:PartiallySignedTransaction.adoc[PartiallySignedTransaction]::GetUniqueID
:relfileprefix: ../
:mrdocs:

Compute a stable identifier for this PSBT's underlying transaction.

== Synopsis

Declared in `<psbt.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
std::optional<Txid>
GetUniqueID() const;
----

== Return Value

The unique id, or nullopt if it cannot be computed.


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