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

Updates the value of the Prepend Log Prefix option.

== Synopsis

Declared in `<absl/log/globals.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
EnableLogPrefix(bool on_off);
----

== Description

This function is async‐signal‐safe.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *on_off*
| True to have messages include the prefix.
|===


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