[#BloombergLP-baltzo-Zoneinfo-firstTransition]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/baltzo.adoc[baltzo]::xref:BloombergLP/baltzo/Zoneinfo.adoc[Zoneinfo]::firstTransition
:relfileprefix: ../../../
:mrdocs:

Return a reference providing non‐modifiable access to the first transition contained in this object. The behavior is undefined unless `numTransitions() > 0`.

== Synopsis

Declared in `<baltzo_zoneinfo.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:BloombergLP/baltzo/ZoneinfoTransition.adoc[ZoneinfoTransition] const&
firstTransition() const;
----


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