[#absl-EnableLogPrefix]
= xref:absl.adoc[absl]::EnableLogPrefix
:relfileprefix: ../
:mrdocs:

Updates the value of the Prepend Log Prefix option&period;

== Synopsis

Declared in `&lt;absl&sol;log&sol;globals&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
EnableLogPrefix(bool on&lowbar;off);
----

== Description

This function is async&hyphen;signal&hyphen;safe&period;

== Parameters

[cols="1,4"]
|===
| Name| Description
| *on&lowbar;off*
| True to have messages include the prefix&period;
|===


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