[#transaction_identifier-FromHex]
= xref:transaction_identifier.adoc[transaction_identifier]::FromHex
:relfileprefix: ../
:mrdocs:

Builds an identifier by parsing a hex string.

== Synopsis

Declared in `<primitives/transaction_identifier.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
static
std::optional<transaction_identifier>
FromHex(std::string_view hex);
----

== Return Value

The parsed identifier, or std::nullopt if the hex is invalid.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *hex*
| The hex representation to parse.
|===


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