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-rw-r--r--lib/diameter/doc/src/diameter.xml12
1 files changed, 11 insertions, 1 deletions
diff --git a/lib/diameter/doc/src/diameter.xml b/lib/diameter/doc/src/diameter.xml
index 2d8edb1301..93e2603c10 100644
--- a/lib/diameter/doc/src/diameter.xml
+++ b/lib/diameter/doc/src/diameter.xml
@@ -107,7 +107,9 @@ belonging to the application.</p>
<marker id="application_module"/>
</item>
-<tag><c>application_module() = Mod | [Mod | ExtraArgs]</c></tag>
+<tag><c>application_module() = Mod
+ | [Mod | ExtraArgs]
+ | #diameter_callback{}</c></tag>
<item>
<code>
Mod = atom()
@@ -125,6 +127,14 @@ specified to <seealso marker="#call">call/4</seealso>, in which case
the call-specific arguments are appended to any specified with the
callback module.</p>
+<p>
+Specifying a <c>#diameter_callback{}</c> record allows individual
+functions to be configured in place of the usual <seealso
+marker="diameter_app">diameter_app(3)</seealso> callbacks, with
+default implementations provided by module <c>diameter_callback</c>
+unless otherwise specified.
+See that module for details.</p>
+
<marker id="application_opt"/>
</item>