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-rw-r--r--doc/src/sgml/xfunc.sgml5
1 files changed, 5 insertions, 0 deletions
diff --git a/doc/src/sgml/xfunc.sgml b/doc/src/sgml/xfunc.sgml
index 6b029a5a35f..fbdbdbd883f 100644
--- a/doc/src/sgml/xfunc.sgml
+++ b/doc/src/sgml/xfunc.sgml
@@ -3919,6 +3919,11 @@ extern PgStat_Kind pgstat_add_kind(PgStat_Kind kind,
type in <xref linkend="guc-shared-preload-libraries"/> so that it will
be loaded early during <productname>PostgreSQL</productname> startup.
</para>
+
+ <para>
+ An example describing how to register and use custom statistics can be
+ found in <filename>src/test/modules/injection_points</filename>.
+ </para>
</sect2>
<sect2 id="extend-cpp">