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

Compute the effective locktime from the inputs and fallback.

== Synopsis

Declared in `<psbt.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
std::optional<uint32_t>
ComputeTimeLock() const;
----

== Return Value

The computed locktime, or nullopt if it cannot be determined.


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